Wireless Bluetooth Adapter Applicable transmission mode: Bluetooth speaker, Bluetooth headset; desktop; laptop; TV; Applicable receiving mode: audio; car radio; power amplifier; T15 can search for 8 Bluetooth devices and point them to the LED screen 2 in 1 Bluetooth transmitter & receiver, as a Bluetooth audio transmitter, t15 is specially developed for audio devices (such as MP3, MP4, TV and PC, etc.) without Bluetooth function. You can connect the Bluetooth transmitter to the audio devices without Bluetooth function via the included 3.5mm audio jack, changing these audio devices to Bluetooth-enabled audio devices, and it will work with Bluetooth-enabled headsets and speakers. Specification: Model Number: T15 Bluetooth: V 5.0 Battery: Built-in rechargeable Li-polymer battery Working time: 6 hours Audio port: 3.5 mm Color: Photo Color Material: ABS Package Contents: 1 * Bluetooth adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.