SM-R150 Binaural Wireless Bluetooth Headset $ 14.50 Model: SM-R150 Size: 26.41 8.926mm Color: black, white, blue Function: call answering, music play/pause, noise reduction Bluetooth version: V4.1 Use time: about 4 hours Charging time: The charging box is fully charged in one hour, and the Bluetooth headset can be charged 3 times. It takes only 30 minutes each time and can be used continuously for 4 hours
