JayBird BLUEBUDS X2 Sports Wireless Bluetooth In-Ear Earbuds Earphones With Mic, 8 Hours Standby, Noise Cancelling Green Netbooks and Laptops Battery Quantity: 4 x CR123A

Battery Quantity: 4 x CR123A / 2 x 18650 Battery ( Batteries Not Included )

Fingerprint Sensor

Unit Fast Charging Function No LCD Screen No Auto Circuit Detection No Indicator Red (powered) Over Voltage Protection No Short-Circuit Protection No Over-Charging Protection No Over-Discharging Protection No Nominal Capacity 3000 DX

main body--ABS

Inter-lock: Connect the Jp2 with the Cutting out cap

JayBird BLUEBUDS X2 Sports Wireless Bluetooth In-Ear Earbuds Earphones With Mic, 8 Hours Standby, Noise Cancelling Green Netbooks and Laptops Battery Quantity: 4 x CR123AProduct Description Model Number: JayBird BLUEBUDS X2 Function: Sport,For iPod,For Mobile Phone,Common Headphone Wireless Type: Bluetooth With Microphone: Yes Is wireless: Yes Support APP: No Support Memory Card: No Support Apt x: No Waterproof: Yes Resistance: 32?? Line Length: None Frequency Response Range: 20 20000Hz Sensitivity: 1203dB Plug Type: Wireless Active Noise Cancellation: Yes Volume Control: Yes Control Button: Yes Vocalism Principle: