Dual channel with bass diaphragm
Built-in microphone
2000mAh rechargeable lithium battery
3.5MM Aux/TF card
5.0 link

Specification:
Battery Capacity: 2000mAh
Playtime: 8~10 hours
Charging Voltage: 5V
Version: 5.0
Distance: 10m
Product Size: 43 x 5.4 x 5.8 cm
Product Weight: 670g
Shell Material: ABS plastics
Output Power: 10Wx2
Frequency Response: 100Hz-18KHz
Length of AUX Cable: 1.2m

Package Include:
1* Sound bar

If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.