Specifications:
a)Bluetooth version: 3.0 Bluetooth
b)Protocol: Supports A2DP and AVRCP profile
c)Built-in rechargeable lithium polymer battery: 3.7V 300mAh
d)Standard USB / DC charging port
e)Digital power amplifier
f)With red / blue LED indicator
Specifications:
a)Bluetooth version: 3.0 Bluetooth
b)Protocol: Supports A2DP and AVRCP profile
c)Built-in rechargeable lithium polymer battery: 3.7V 300mAh
d)Standard USB / DC charging port
e)Digital power amplifier
f)With red / blue LED indicator
g)Output: 3W
h)Frequency range: 100Hz-18KHz
i)SNR: >68db
j)Battery charging voltage: 5V