Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Chip: QCC3031 _x005f_x000D_ Color: Silver _x005f_x000D_ Material: Aluminum alloy _x005f_x000D_ Bluetooth-compatible version: 5.2 _x005f_x000D_ Input power: DC5V _x005f_x000D_ Transmission distance: 15M _x005f_x000D_ Power supply mode: Type-c port _x005f_x000D_ Battery capacity: 500Mah _x005f_x000D_ Duration: 10 hours _x005f_x000D_ Product function: Bluetooth-compatible reception/coaxial/AUX audio output/optical fiber _x005f_x000D_ Product size: About 73x70x20mm/2.87x2.75x0.78inch _x005f_x000D_ Weight of main engine: 60g _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Host _x005f_x000D_ 1 x Charging cable _x005f_x000D_ 1 x Instruction _x005f_x000D_ 1 x Antenna 1. Audio Receiver: Bluetooth-compatible 5.2 chip, 15M transmission distance, stable transmission signal. Support aptX-HD audio codec, low latency+high-fidelity audio effect. 2. Output: Support 3.5mm Aux audio output, Toslink, coaxial output, and allow connecting different devices to play music (note: only one audio port output is supported, not three audio ports output at the same time). 3. Long Battery Life: Built-in 500MAh battery, which can work continuously for 10 hours after charging for 2-3 hours. 4. Applicable Occasions: It can be used to connect old audio/wired speakers to play music on mobile phones/tablets. It can also be used with car radio.