Add Bluetooth to your car audio, home stereos, speakers, and wired headphones via the auxiliary 3.5mm AUX socket slim design with 3.5mm plug. Plug & play, easy setup, one-button operation, clear status indicator. Car Bluetooth 5.0 receiver can receive Bluetooth signals within 10 meters, enabling lossless music playback and stable call transmission, providing a pleasant audio experience while driving. This Bluetooth Aux Adapter features a long battery life with a built-in 250mAh battery, lasting up to 16 hours of continuous use and 60 days of standby time. Charges quickly via Type-C port, fully charged in just 2 hours. Can be used while charging for flexible operation. The Bluetooth receiver converts non-Bluetooth devices into Bluetooth-enabled devices for wireless connectivity, compatible with speakers, stereo systems, and headphones. Supports MP3, WAV, WMA, FLAC, and other audio formats with noise reduction technology for clearer sound quality. Compact size, easy to carry. Receive and transmit functions in one device, switchable with one button. Color: 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 is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.