Enjoy Wireless Audio Exciting Every Moment - Integrated transmitter & receiver, TX mode support for 1 to 2, RX mode support hands-free calls. 3.5mm Audio plug - Adapt to various AUX interface devices Upgrade wired wireless audio functionality. TX/RX 2 in 1 - One click switching Suitable for various types of devices. Integrated Audio Cable - Soft and easy to bend, Suitable for various scenarios, Plug and play. RX Receiving Mode - Wired Speakers/Headphones becomes wireless, music becomes more enjoyable. Wired upgrade wireless, Experience wireless fun - Connect to a regular speaker and instantly switch to a wireless speaker, Breaking space limitations and enjoying stunning 3D sound effects. Car Speaker Upgrade Wireless Handsfree call, navigation broadcast - Car speakers instantly become wireless speakers, Handsfree amplification for clear calls, Follow along all the way, making your driving safer. TX Transmit Mode - Unrestricted by wire, Chasing dramas and having fun at will. Name:BT receiver/transmitter Model:ZF-361 BT Version:V5.3 Transmission Distance:10M Function:TX, RX Battery Capacity:250mAh Play Time:8 hours Charging Interface:Type-C Audio:3.5mm audio plug Colour:White Material:Plastic Package Contents: 1 * Bluetooth Audio Adapter 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.