The Cube Bird Dancing Speaker is a creative Bluetooth speaker that combines a playful bird-inspired design with practical audio features. Equipped with Bluetooth 5.4, hands-free calling, TWS wireless connectivity and a 3W speaker, it delivers convenient wireless entertainment in a compact design. With up to 4 hours of working time, it is suitable for home, desktop use, parties and gift collections. Ideal for retailers, wholesalers and consumer electronics brands, this novelty speaker offers opportunities for product differentiation, seasonal promotions and OEM/ODM customization.
The 2-in-1 Bluetooth Speaker with TWS Earphones combines a portable wireless speaker and true wireless earbuds in one convenient design. Featuring Bluetooth 5.3, a 5W speaker, F13 copper ring earbud drivers, and a 10–15m transmission range, it offers flexible listening for home, office, travel, and everyday entertainment. The earbuds provide approximately 4–5 hours of playback, while the speaker delivers 2–3 hours of music. Made from ABS plastic and silicone, this versatile audio product is ideal for consumer electronics brands, retailers, and gift markets seeking innovative wireless audio solutions.
The Sport TWS Earphone features Bluetooth 5.4 connectivity, a compact charging case, and a lightweight ABS plastic design for convenient everyday wireless listening. With a transmission range of up to 10 meters, 2.5–4 hours of playback time, and a 200mAh charging case, it is suitable for commuting, leisure, and daily use. Jaskey Limited offers OEM/ODM cooperation opportunities for brands, wholesalers, importers, and retailers seeking reliable wireless audio products from an experienced China consumer electronics manufacturer.
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The China Waterproof Portable Bluetooth Speaker combines durable design with versatile audio performance for outdoor and everyday use. Featuring Bluetooth 5.3, hands-free calling, TWS connectivity, TF card and AUX support, it offers flexible listening options in a compact ABS and silicone design. With a 1800mAh battery and water-resistant construction, it is suitable for travel, camping, beach outings, and daily entertainment. Jaskey Limited provides OEM/ODM customization services for brands, distributors, and importers seeking reliable portable Bluetooth speaker solutions.
The WiFi Alexa Smart Speaker combines voice control, wireless audio, and smart home connectivity for convenient everyday living. Featuring support for Alexa skills, compatible Tuya smart home devices, multilingual interaction, and app-based control, it offers a practical solution for modern connected homes. With a compact design, 5W speaker output, and 2.4GHz WiFi connectivity, it is suitable for bedrooms, living rooms, and home office environments.
The Outdoor Speaker with Light combines portable audio and ambient lighting in a compact ABS plastic design. Featuring Bluetooth 5.0, USB and TF card playback, a 5W speaker, and a 1200mAh rechargeable battery, it offers versatile entertainment for outdoor activities, home gatherings, camping and travel. With 4–5 hours of working time and multiple playback options, this portable Bluetooth speaker is ideal for retailers, distributors and brands seeking differentiated audio products. OEM/ODM customization and private-label opportunities are available for global markets.
Jaskey Limited is a China-based consumer electronics OEM/ODM manufacturer specializing in built-in furniture wireless chargers and innovative audio products. Our compact wireless charging solutions feature 5W wireless charging, USB and Type-C outputs, and space-saving designs, making them suitable for desks, bedside tables, and modern furniture applications. Since 2008, we have focused on product innovation, quality management, and customized solutions for global markets.
The 4-in-1 Bluetooth Wireless Over-Ear Headphones combine Bluetooth 4.1, TF card playback, AUX input, and FM radio for versatile listening options. Featuring a built-in microphone, convenient control buttons, and up to 15 hours of playback, these headphones are suitable for daily entertainment, commuting, and home use. Jaskey Limited offers OEM/ODM customization services for brands, wholesalers, importers, and retailers seeking flexible headphone solutions for global markets.
From the effect of intensity difference and timbre difference on the binaural effect, it can be inferred that pure tones are more difficult to locate than composite sounds, because pure tones are sine waves (single waves), and timbre differences cannot be constructed.
3. Sense of depth of tws wireless earbuds sound source
The sense of depth of tws wireless earbuds sound source is the distance between the listener and the tws wireless earbuds sound source, so the sense of depth of tws wireless earbuds sound source is also called sound source distance positioning.
The sense of depth of the tws wireless earbuds sound source is often associated with a certain digital pattern. When we hear a tws wireless earbuds sound, we not only feel the approximate direction of the tws wireless earbuds sound, but also the approximate distance of the tws wireless earbuds sound. If you want to accurately feel the depth of the tws wireless earbuds sound source, you must be familiar with the sound field environment, familiar with the timbre of the sound source, or directly use vision to measure the distance between the tws wireless earbuds sound source and yourself. This shows that the sense of depth of the tws wireless earbuds sound source is acquired and trainable.
Depth positioning is mainly judged by the degree of tws wireless earbuds sound wave attenuation. In the process of tws wireless earbuds wave radiation, energy is lost with the distance of propagation. First of all, the higher harmonics with smaller amplitude attenuate first, forming a timbre change. After hearing the tws wireless earbuds sound signal, the human ear compares it with the tws wireless earbuds sound signal stored in the brain to determine the depth of the tws wireless earbuds sound source of the sound signal.
Another way to sense depth is the tws wireless earbuds sound source comparison method. When there are several tws wireless earbuds sound sources (array sound sources) at different distances, the human ear can infer the depth of other sound sources by approaching the point sound source. The array tws wireless earbuds sound source formed by multiple point sound sources with different distances and incident angles makes the sense of hearing produce a sense of width and envelopment of sound. One more sentence: the sense of depth of sound source is usually connected in parallel with vision, which relies on vision to form experience and rely on vision to help precise positioning.
4. The combination of time difference and sound level difference
The various differences produced by the binaural effect can have a separate effect on the sense of tws wireless earbuds sound source orientation. When they are combined with each other, they have a comprehensive effect. If they have opposite effects (which rarely happen under normal circumstances), they cancel each other out. The practice of modern stereo technology has proved that the combination of time difference and sound level difference has a very obvious effect on the sense of sound source orientation. Experiments have proved that under certain conditions, a 1ms time difference is equivalent to a 512dB sound level difference, and the relationship is interchangeable.
In a hall where the reverberation time exceeds the normal acoustic requirements, the reflected sound and reverberation sound level of the sound source greatly exceeds its direct tws wireless earbuds sound. At this time, the human ear is most sensitive to the stimulation of the first wave front of the sound source. If the reflected sound and reverberation have a delay of 40-60 ms to the direct sound, the human ear may still be able to grasp the sound source position. If the delay exceeds this range, the human ear cannot distinguish between the time difference and the sound level difference between the original sound reaching the two ears, and a sense of separation or confusion will occur. This is why in a hall with heavy echoes, it is often difficult for people to grasp the location of the sound source, and it is necessary to locate it with their eyes.
Mechanism of sound source orientation
Classical psychoacoustics believes that people's perception of the sound source mainly depends on the difference in hearing between ears, which is called binaural effect. Just as the binocular observation of the scene produces a sense of perspective and three-dimensionality, through the perception of the difference in sound strength between the two ears, the direction of the tws wireless earbuds sound can be judged and the stereo sense can be generated. Until modern times, the binaural effect is still the main theoretical basis for the sense of sound source orientation. However, in recent years, experts have found that people who have lost hearing in one ear still have the ability to judge the sound source position, so they put forward a new theory of the ear shell effect, which makes the tws wireless earbuds sound source position sense theory more perfect.
The mechanism of sound source orientation is very complicated. The principle of the binaural effect is that: because the two ears are located on both sides of the head, if the sound source is on the central axis directly in front of the person, the time, sound intensity and phase of the sound reaching the two ears are the same; if the sound source deviates With the central axis directly in front of the listener, the distance between the sound and the ears varies. Therefore, there will be a time difference and a phase difference when the sound reaches the two ears. At the same time, because of the masking effect on one ear, there is a difference in sound level and tone color between the two ears.
The sense of sound source position is a physiological function that is inherently possessed. However, the width, depth, and all sensations related to numbers of the sound source position are related to a person's acquired experience.
