ShowTopHV-800 Universal Wireless Bluetooth Music Headset A2DP Stereo Vibration Neckband Style Earphone Headphone For cellphones such as iPhone, Nokia, HTC, Samsung, LG, Moto, PC, iPad, PSP and so on & enabled Bluetooth Devices (Pink)

Color: Pink.
Model/MPN: HV-800.
Circumference: 43cm (1inch=2.54cm).
Length of headphone cable: 27cm.
Charging voltage: DC5V 150mAh.
Working current: 25-35mA.
Bluetooth A2DP Working range: 10m.
Output power: 35mW.
Frequency range: 2.401-2.480GHz.
Distortion factor: ¡Ü1%.
Frequency response: 20Hz-20KHz.
Working Time: Music/ HuaTong state 6-8 hours (The Volume will affect the time).
SNR: S/N¡Ý95.
Talk time: 8-15 hours, play time: 6-10 hours.
Music Playing Time: up to 10 hours.
Frequency Response: 20 ~ 20000Hz.
Sensitivity: 80dB.
Impedance: 32 ohms.
peaker Power: 2 x 18mW.