A2DP Bluetooth Technology: Allows to connect wireless up to 10 meters
With micro SD card slot， FM radio， and Aux line-in ( 3.5mm ) support， front panel control for volume
Duo speakers will give you a powerful experience， two vibration basin speaker system produce surround sound stereo
Premium high definition sound: 2 massive 8W drivers deliver solid surround sound for listening to the music on your Iphone， Samsung Galaxy， HTC， and other smart phones and MP3 players
Built-in large capacity Li-Ion Rechargeable Battery: Up to 6 hours of playtime
Built-in MP3 player included could automatically play the music with a stand alone Micro SD card ( the Micro SD card is not included )
Easy to Carry: Enjoy your music and FM radio anytime and anywhere

Model: BTK 3301
Design: Multifunctional
Compatible with: Laptop，MP4，MP5，PC，Tablet PC，TF/Micro SD Card
Supports: Bluetooth，FM，TF Card Music Playing
Functions: Auto Sleep，AUX Function，Songs Track，Stereo
Connection: Wireless
Interface: USB2.0
Audio Source: Electronic Products with USB port
Material: Plastic
Color: Silver

Bluetooth version: V2.1+EDR
Protocol: A2DP
Audio File Format: MP3，WMA
TF Card Extension: 32G to the Max.(Not Included)
Input Impedance: 4ohm
Power Output: 8W x 2
Standby time: 10 - 12hours
Total Power: 16W
Freq: 60Hz-18KHz
S/N: No less than 95dB
Distortion: Less than 1 percent
FM Radio Frequency: 87.5-108MHz

Power Source: Battery
Charging Voltage: 9V
Working Voltage: 5V
Charging time: 2 - 3hours
Lasting Time: 6hours
Battery Capacity: 4800mAh

Battery Type: 18650 Lithium ion battery
Battery Voltage: 3.7V

Package weight: 1.374 kg
Product size (L x W x H): 38.00 x 9.00 x 8.00 cm / 14.96 x 3.54 x 3.15 inches
Package size (L x W x H): 41.00 x 13.00 x 13.00 cm / 16.14 x 5.12 x 5.12 inches

Package Contents: 1 x Boombox Bluetooth Speaker， 1 x 3.5mm Audio Cable， 1 x Micro USB Cable， 1 x Radio Receiver， 1 x English User Manual