Features:

1. Bluetooth 4.1 version, strong compatibility, it could build faster connection and transmit stable signal in high speed.
2. Support TF card and Aux-in, you could enjoy music by different way, it could compatible with computer, tablet and etc.
3. Built-in microphone, one button to answer or hang up the phone, free your hands and enjoy clear phone call.
4. 2.0 soundtrack, selected drive unit, it could produce more dynamic and melodious sound, put you personally into music.
5. Equiped with 4000mAh battery, it could support 4-5 hours music time at the largest volume, long lasting life.
6. With a buckle design, it's portable, you could carry it around easily, as a company while travelling, camping, etc.

Specifications:

General Specification
  Brand   REMAX
  Model   RB-M10
  Color   Black, Red, Green, Blue
  Net Weight (g)   About 435g
Technical Parameters
  Microphone    YES
  Connectivity   Bluetooth Connection & Audio cable
  Bluetooth Version   V4.1
  Transmission
  Distance		   10m
  Power Output   5W*2
  Frequency
  Response		   80-18kHz
  Battery Capacity   4000mAh, 3.7V
  Charging Voltage   DC5V-500mAh
  Charging Time (h)   2-3h
  Working Time (h)   4-5(at biggest volume); 8-10h(at middle volume)

Package  Included:

Remax RB-M10 4000mAh Outdoor Portable Buckle Stereo TF Card AUX Audio Microphone Bluetooth Speaker  1* REMAX  RB-M10 Bluetooth Earphone
 1* USB cable
 1* Audio cable
 1* Manual