AUX Bluetooth 5.3 Transmitter for TV Car Headphone 1. Clip-on design, easy to carry 2. One-touch switch between receiving and transmitting modes 3. V5.3 Bluetooth chip, stable transmission without lag 4. Built-in microphone, for listening to music and making calls 5. Long battery life, with 130 mAh battery, 7 hours of battery life Compact and light, the net weight of the product is about 13 grams Color: Black Material: plastic Package Contents: 1 * Bluetooth Transmitter Receiver 1 * type-c Cable 1 * 3.5 AUX Jack 1 * Chinese and English instruction manual 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.