Feature:1. COMFORTABLE TO WEAR: Single ear bone conduction headset by the professional team tuning dynamic unit, high, medium and low balance, not up ear not boom ear, comfortable to wear, intelligent noise reduction.2. 5.2 BLUETOOTH CHIP: Single ear bone conduction headphone adopts 5.2 bluetooth chip master control low power consumption, the transmission distance is farther, the speed is more stable, hifi data transmission.3. PROFESSIONAL WATERPROOF: Wireless bone conduction earphones use professional grade waterproof fully enclosed sound cavity, to prevent daily sweat, rain infiltration to meet the daily needs, worry free use.4. LED POWER DISPLAY: Bluetooth earphone adopts ear protection design, LED power display, voice activated answering, long press the power on button for two seconds to enter the voice activated desktop.5. TYPE C CHARGING PORT: Single ear wireless earphone adopts type c charging port, portable and universal fast energy storage safe, fast and stable charging. Ultra long standby, long lasting battery life, 88 hours of calls.Specification:Item Type: Single Ear Bone Conduction HeadsetMaterial: ABSVersion: 5.2Bluetooth Range 10m/32.8ftSupport Protocol: A2DP HFP SPP HID PBAPImpedance: 16Built In Li Polymer Battery: 300mAh.Package List:1 xSingle Ear Bone Conduction Headset1 x Instruction Manual1 x Charging Cable