Feature:
1. Easy to operate: Simply connect your speakers/earphones to our devices and instantly convert your speakers/headphones into stylish wireless Bluetooth speakers/earphones.
2. Wireless play: Eliminate wired connection failures, wireless connection and transmission, users can enjoy high-fidelity music anywhere in the room through wireless control.
3. Portable design: Mini clip design, portable features let you carry it wherever you want.
4. Support iPhone, Android and other smart phones that support Bluetooth A2DP.
5. Compatible with home bass/speaker, car bass, headphones with 3.5mm audio input.

Specification:
1. Bluetooth version: 4.1.
2. Frequency range: 2.4 GHz.
3. Agreement: A2DP.
4. Transmission range: up to 10 m / 33 ft.
5. Power: DC 5V.
6. Charging time: about 30 minutes.
7. Working time: 4 hours or so.
8. Size: 1.4×1.5×5.8cm.

Packing list:
Bluetooth audio receiver x 1
Metal adapter x 1
Charging cable x 1
Instruction manual x 1