Newest Wireless CSR 4.0 Bluetooth headphone headset In earphone， stereo two-channel MP3 Music Handsfree with vibration microphone for all phone and other bluetooth devices. This product uses the new headset shape design， using the world famous Bluetooth Stereo Bluetooth chips， to ensure high-fidelity sound quality and stable performance and excellent call quality. This product supports Bluetooth V2.1 version， support for Bluetooth A2DP and calling features. Battery time supports up to 4-6 hours.

• Charging voltage: DC5V 150mAh

• Working current: 25-35mA
• Bluetooth A2DP Working range: 10m
• Output power: 35mW
• Frequency range: 2.401-2.480GHz
• Distortion factor: ≤1%
• Frequency response: 20Hz-20KHz
• Working Time: Music/ HuaTong state 4-6 hours (The volume will affect the time)
• SNR: S/N≥95
• Charging Time: 1h-2h
• Talk time: 4-6 hours， play time: 4-6 hours
• Music Playing Time: up to 4 hours
• Frequency Response: 20 ~ 20000Hz
• Sensitivity: 80dB
• Impedance: 32 ohm

• 1 x Bluetooth Headset
• 1 x Ear Hook
• 1 x Charging Cable
• 1 x Manual

Warranty: 1 Month