Bluetooth Spec：       Version 1.2 Class 2
Bluetooth Profile：     Handsfree,  AVRCP and A2DP
Frequency：          2.4GHz Spectrum
Mobile, Computer Etc. Bluetooth wireless stereo function
DRIVE UNITS: 40MM,3W magnet shield
Power supply: Battery Capacity: 650mAH Li-ion rechargeable battery ; 
USB port; DC5V adaptor
Lin-in: 3.5mm stereo jack
Built-in Microphone (Optional for Handfree)
Music Play Time*:  Up to 6 hrs 
Standby Time*：      Up to 150 hrs
Charging Time：      Within 3 hrs
output power: 3W+3W
frequency noise:100HZ ~18KHZ
SNR: 78dB
size: 164X41X41mm
Clamshell size:242X82X82MM
Carton box:495x420x425mm/40pcs
weight: 319g
1x20GP: 12400pcs, 
1X40GP: 24800pcs
1X40HQ: 30000pcs

Bluetooth Spec：       Version 1.2 Class 2
Bluetooth Profile：     Handsfree,  AVRCP and A2DP
Frequency：          2.4GHz Spectrum
Mobile, Computer Etc. Bluetooth wireless stereo function
DRIVE UNITS: 40MM,3W magnet shield
Power supply: Battery Capacity: 650mAH Li-ion rechargeable battery ; 
USB port; DC5V adaptor
Lin-in: 3.5mm stereo jack
Built-in Microphone (Optional for Handfree)
Music Play Time*:  Up to 6 hrs 
Standby Time*：      Up to 150 hrs
Charging Time：      Within 3 hrs
output power: 3W+3W
frequency noise:100HZ ~18KHZ
SNR: 78dB
size: 164X41X41mm
Clamshell size:242X82X82MM
Carton box:495x420x425mm/40pcs
weight: 319g
1x20GP: 12400pcs, 
1X40GP: 24800pcs
1X40HQ: 30000pcs