Wireless Bone Conduction Bluetooth Earphone Headset Sports Headphone With Mic

Specifications:Model: Y-20Bluetooth version: 4.1Vocal Track: StereoSupport protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Bluetooth band: 2.4 GHBluetooth transmission distance: 10 metersBattery capacity: 90 mAh lithium batteryStandby time: 160 hoursCall/play time: about 5 hoursCharging time: 10 minutesColor: Black, White, Red Included:1 X Bone Conduction Earphone1 X Chargera1 X User Manual  Note:Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.