This product uses the new headset shape design， using the worldfamous brands CSR BC05 Bluetooth Stereo Bluetooth chips， to ensurehigh-fidelity sound quality and stable performance and excellentcall quality. This product supports Bluetooth V2.1+EDR version，support for Bluetooth A2DP and calling features.

Features:
Unique neck-strap design for easy carrying
Ultra-light weight for all day comfort
Vibration Alert on call
Easy magnetic earphone storage
Noise reduction & Echo cancellation
Suitable for iPhone， Samsung， HTC and other Bluetooth devices

Specification:
Bluetooth Version: 2.1+EDR
Charging voltage: Micro USB 5V
Working current: 25-30mA
Bluetooth A2DP Working range: 10m
Output power: 2 x20mW
Frequency range: 2.401-2.480GHz
Distortion factor: u22641%
Frequency response: 20Hz-20KHz
Working Time: Music state 7 h
SNR: S/Nu226595
Charging Time: 2h-3h
Talk time: up to 10 hours， play time: up to 10 hours
Color: Black
Length: Approx. 45cm