MX-M06 Clip-on Bluetooth 5.3 Audio Receiver and Transmitter Computer Audio Car Adapter Features: 1. Bluetooth 5.3 chip, fast response, stable connection, and fast signal transmission 2. Built-in high-sensitivity independent microphone, high-definition voice call 3. Built-in 400mAh large-capacity lithium battery, long-term battery life and free listening to music 4. Real-time digital display of power, easy to use 5. Independent adjustment of function buttons, real-time control of volume 6. Memory card can be inserted, plug and play 7. Suitable for computers, mobile phones and other devices of various brands and systems Product parameters: 1. Material: ABS 2. Function: receiving and transmitting + calling + card insertion 3. Bluetooth version: 5.3 4. Transmission distance: barrier-free 10 meters 5. Interface: 3.5mm audio interface 6. Battery capacity: 400mAH 7. Charging time: about 2 hours 8. Playing time: about 30 hours 9. Product size: 69 x 29 x 21mm 10. This product is manually measured, and there may be an error of 0.1-0.2 mm and 0.1-0.2 g in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product 11. Note: The shipment only includes the Bluetooth receiver, not other items in the picture