Features
Wireless stereo Bluetooth headphones Allows you to conveniently answer calls or listen to music while doing sports Features an FM radio， card reader MP3 player， microphone Supports an external TF card up to 32GB Back-hang design for a comfortable fit
General Specs
Brand & Model	MF-Q7
Type	Wireless Bluetooth headphones
Bluetooth
Power	Class 2
Bluetooth Version	V3.0
Frequency	2.4GHz
Operating Range	Up to 10 m
Talking Time	Up to 5 hours
Standby Time	Up to 80 hours
Charging Time	4 hours
Working Voltage	≥3.5V
Working Current	≤25mA
Standby Time	≤2mA
Audio
Audio Format	MP3
Audio Data Interface	USB2.0
External Card	Supports an external TF card up to 32GB
Operating Systems	Windows 98/SE/ME/2000/XP/7
Working Current	15mA-35mA
Working Voltage	3.4V-4.2V
Battery Capacity	120mAh
Headphones
Speaker Size	27 mm
Output Impedance	32ohm
Frequency Response	20Hz-25000Hz
Sensitivity	108dB
Microphone Unit	4.5 x 2 mm-58dB±3dB
Cable Length	1.5 m
Audio Connector	2.5 mm for earphones， 3.5 mm for computer
FM Radio
Frequency	87.5-108MHz
Working Current	15mA-35mA
Working Voltage	3.4V-4.2V
Compatibility	Bluetooth enabled digital devices