Best Sound V2 Mini Speaker Subwoofer Support TF/SD/USB/ Reader

Bass, super good music quality, perfect to enjoy, this mini speaker to support USB disk and SD card, TF, Mini SD card. Rechargeable lithium battery, 5 hours can be useful. Absolute value!

Features
• High-resolution fidelity, pocket-sized portability
• Up to 5 hours battery life, output wattage doubles when wall-powered
• Lithium-ion BassBattery™ re-chargable via USB or wall charger
• Output for optional powered subwoofer

• support SD ,TF card, USB reader

Specifications
Battery Life:  up to 5 hours
Power
   External Power (5.0V):  4W x 2 <0.1%THD
   Battery Power (3.6V):  2W x 2 <0.1%THD

Support : USB,SD,TF card reader
Output Level
   External Power (5.0V):  95dB @ 0.5m
   Battery Power (3.6V):  92dB @ 0.5m
Freq. Response:  80Hz-20kHz
Connections:  power in, audio in, sub out
AC Adapter:  5VDC @ 2A (Max 10W)
Dimensions :  15x 3x 5cm
Weight:  0.6kg.

Included Accessories:
• USB Charge Cable
• 1 Re-chargable battery