add Bluetooth to your car audio , home stereos, speakers, wired headphones via the auxiliary 3.5mm AUX socket - slim design with 3.5 mm plug. Plug & play, easy setup, one button operation, clear status indicator Car Bluetooth 5.0 receiver can receive Bluetooth signal within 10 , lossless music playback and stable call signal, so you can have a pleasant music environment while driving. This Bluetooth Aux Adapter has a long battery life, built-in 250mAh battery, can last 16 hours of use, standby 60 , using the Type-c port charging, fully in just 2h, can be used while charging, flexible use. This Bluetooth receiver can convert non-Bluetooth devices to Bluetooth devices for wireless connection, suitable for , speakers, stereo and headphones. Support MP3, WAV, WMA, FLAC, and other specifications of audio resolution, using can noise reduction technology to remove noise, sound quality more clear. size, easy to carry, accept/transmit two-in-one, can be converted with one key. Colour:grey Material:plastic Package Contents: 1 x Bluetooth Receiver 1 x Audio Converter 1 x Audio Cable 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.