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