Noise Reduction Ultra-long Life Battery True Wireless Headset Bluetooth Headset $ 14.60 Product information: Product model: M1 Product type: Headworn Bluetooth earphones Bluetooth version: V5.0 Battery capacity: 360mAh Working hours: 20h Standby time: 120h Transmission distance: 10 meters Impedance noise reduction: 32 /cvc6.0 Function introduction: supports stereo Bluetooth for listening to music, answering and rejecting calls, AUX Packing list: Bluetooth earphones * 1 Product Image: