Specification: Origin: Mainland China Interface: TYPE-C Wireless Type: Bluetooth-Compatible WIFI Standard: None Content: AUDIO High Definition Support: None Model: A18 Bluetooth-Compatible version: V5.3 Transmission distance: 10m without obstacles, it may vary according to the actual environment Function: Bluetooth-Compatible playback/reception/transmission/call Material: ABS Battery capacity: 200mAh Working time: about 15h for reception/about 9h for transmission Charging interface: Type-c Interface: 3.5mm (AUX) audio plug Product size: 57*28*13mm/2.24x1.1x0.51inch Net weight: 15g Gross weight: 49g Note: 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! Please allow 1-2cm measuring deviation due to manual measurement.     Included: 1 X Transmitter Receiver  1 X Manual 1 X Audio Head 1.2-in-1 Functionality: This versatile transmitter receiver acts as both a Bluetooth-Compatible receiver and transmitter, making it perfect for use with speakers, TVs, car radios, and computers. It solves the problem of non-Bluetooth-Compatible devices and features a built-in microphone for hands-free calls. Plug and play design ensures convenience and portability. 2. 3.5mm Audio Interface: The wireless audio adapter allows you to add Bluetooth-Compatible functionality to 3.5mm jack headphones, providing stable transmission for a wireless, unrestricted listening experience. Enjoy your music freely anytime, anywhere. 3. Large Capacity Battery: Equipped with a 200mAh rechargeable battery, the stereo music wireless adapter supports Type-C fast charging and can work while charging, ensuring uninterrupted wireless enjoyment. 4.Bluetooth-Compatible 5.3 Technology: Featuring a high-performance Bluetooth-Compatible 5.3 chip, the audio receiver ensures stable, low-latency transmission and supports a range of up to 10 meters, enhancing your audio experience with superior signal strength. 5. Mini and Portable: The music receiver boasts a sleek, mini design that is comfortable to hold, slip-resistant, and lightweight at only 15g. Its compact size makes it easy to carry, perfect for on-the-go use.