Secure shipping BluetoothHands Free Wireless Earphones

Support APP: No
Line Length: None
Active Noise-Cancellation: No
Communication: Wireless
Support Apt-x: No
Support Memory Card: No
Function: Sport,Microphone,Wireless Headphone,Portable,Bluetooth
Is wireless: Yes
Vocalism Principle: Hybrid technology
Time to market: 2017
Frequency Response Range: 8-22000Hz
Sensitivity: 121±3dB
Volume Control: Yes
Plug Type: USB
Waterproof: No
Resistance: 16Ω
Style: Neckband
Connectors: USB
Control Button: Yes
With Microphone: Yes
Wireless Type: Bluetooth
Bluetooth Standard: V 4.1 + EDR
Battery: High-quality rechargeable polymer lithium battery
Power Display: IOS system power display
Profiles Supported: HFP /HSP /A2DP /AVRCP
RF Range: 10m
Talk/Playing Time: Up to 5 hours
Charging Time: 2 hours
Standby Time: About 175 hours
With Microphone: Yes