Bluetooth Light Headphone combines wireless audio technology with creative lighting design and modern lifestyle appeal. As a China consumer electronics OEM/ODM manufacturer since 2008, we develop innovative smart audio products with strong R&D, design, and manufacturing capabilities for global brands and markets.
Cartoon Powerbank with Dual LED Light combines a 10000mAh portable charging solution with creative design and built-in charging cables. With strong visual appeal and practical functionality, it is ideal for e-commerce, retail, gift markets, and customized consumer electronics solutions.
Colorful Lights Bluetooth Speaker combines wireless audio technology, creative LED lighting and portable design to deliver a stylish lifestyle audio experience. As a professional consumer electronics manufacturer since 2008, we develop innovative Bluetooth speakers with reliable quality, flexible customization and global market adaptability for brands and retailers worldwide.
A durable and portable Bluetooth speaker designed for outdoor entertainment. Featuring waterproof protection, stable wireless connection, NFC pairing, MP3 playback, hands-free calling, and up to 12 hours of battery life, it is ideal for camping, travel, sports, and daily use. Custom OEM/ODM solutions are available for global brands, retailers, and distributors.
Mini Pet Training Ball is an innovative smart pet product designed to enhance interaction between pets and owners. Combining playful design with intelligent features, it supports pet training, emotional interaction, and daily companionship. With smart connectivity and portable design, it provides a more engaging experience for pets while helping owners stay connected anytime, anywhere. Perfect for modern pet lifestyles, it brings together technology, convenience, and fun in one creative solution.
Discover a new generation of smart lifestyle audio with our Wireless Charging Bluetooth Speaker with RGB Light, designed for modern consumers who value convenience, style, and multifunctional technology. Combining high-quality Bluetooth audio, 10W wireless charging, and dynamic RGB ambient lighting, this innovative speaker delivers an enhanced entertainment experience for homes, offices, and personal spaces.
China TWS earphone manufacturer providing innovative OEM/ODM wireless audio solutions, custom earbuds development, and smart audio products for global brands since 2008.
Detachable Wireless Charging Lampstand with UV Sterilization Lamp combines smart charging technology with practical hygiene solutions, offering a multifunctional lifestyle electronics experience. Designed with a detachable UV sterilization lamp and wireless charging function, this innovative product is ideal for smart homes, offices, travel, retail collections, and gift markets. With OEM/ODM customization capabilities, manufacturers can help global brands, distributors, and retailers develop differentiated smart lifestyle products for international markets.
Wireless ANC Headphones combine advanced noise cancellation, Bluetooth 5.4 connectivity, and premium comfort to meet the growing demand for immersive audio experiences. Featuring a 40mm high-resolution driver, a reliable Lanxun AB8931H chipset, and soft leather ear cushions, they deliver clear sound, stable wireless performance, and all-day wearing comfort for work, travel, entertainment, and everyday use. As an experienced OEM/ODM manufacturer, we provide flexible customization, industrial design, and product development solutions to help global brands, distributors, and retailers create competitive wireless audio products tailored to diverse market needs.
Wireless Charger Aromatherapy Diffuser combines magnetic wireless charging, car perfume, and RGB ambient lighting in one smart lifestyle product. Designed for modern users, it delivers convenient charging and a relaxing atmosphere for cars, homes, and offices. Ideal for retailers, brands, and distributors seeking innovative consumer electronics products with OEM/ODM customization options.
A portable Bluetooth speaker sound system is composed of many independent sound units, such as: tuner, deck, equalizer, LD player or VCD player and AV power amplifier. These units need to be plugged into the 220V AC power plug board. Some people, for convenience and trouble-saving, turn off all the plugs when they are turned off; when turning on the plugs, all power is turned on. Although this method saves trouble, it has hidden dangers. Because this operation will generate surge current and reverse peak voltage, these two impacts will often damage portable Bluetooth speakers audio equipment. The damage of some equipment is mostly caused at the moment of starting or shutting down, and the damage is not caused when the well is in normal working condition.
Inrush current: A portable Bluetooth speaker audio equipment is composed of resistors, capacitors, inductors, transformers and other components. They are all in a cold state before being turned on. When it is turned on, its resistance is small, so the instantaneous current is very large, which is 2.5-3.5 times the normal working current. This current is called a surge current, which can cause damage to the circuit. It occurs at the moment of power-on or power-off, and is not damaged during normal operation.
Inverse peak voltage: Inductive components, transformers and other units have a characteristic, that is, when a voltage is added or removed from the circuit, the unit will generate a back electromotive force to prevent the voltage from changing. Then when a voltage is applied to the inductance element when the device is turned on, it will generate a back electromotive force to prevent the establishment of this voltage, but the energy of the power supply voltage is continuous, so this back electromotive force only plays a role of voltage damping and has little effect on the circuit. However, the situation is different when it is turned off. When it is turned off, a back EMF is generated in the circuit without any barrier. This voltage is the inverse peak voltage, which is 9 times the normal voltage. Although its current is very small, the voltage is very high, causing an impact on the equipment. Therefore, the surge current and anti-peak voltage of each portable Bluetooth speaker audio unit act on the audio equipment at the same time, causing a big impact, which is easy to cause damage to the equipment. Therefore, it is best to turn on and turn off each portable Bluetooth speaker audio unit one by one in sequence. The correct boot sequence is to boot in the direction of the portable Bluetooth speaker audio signal flow: turn on the deck, CD player, LD player or VCD player, tuner, equalizer, and finally power amplifier.
The correct shutdown sequence is to turn off the power amplifier first, and then turn off other equipment.
At present, for the convenience of use, a delay type power plug board has been invented abroad. The first group of sockets is a direct switch socket; the second group of sockets, when this machine is turned on, can delay 1s (seconds) to turn on the power; the third group of sockets, when this machine is turned on, can be extended When the machine is turned on, the power can be turned on after a delay of 3 seconds. Similar to this when shutting down, the power is also cut off in different time periods.
This prevents the surge current and the reverse peak voltage from acting on all equipment at the same time and damaging the portable Bluetooth speaker audio equipment.
