Main Features:∵ Support Bluetooth 4.1 and AUX line in connection
∵ Plug and play， no need to install
∵ High capacity lithium-ion battery， can play for three hours once charged
∵ Can be hung up by the hook on the back
∵ Hands-free speakerphone， easy to answer your phone
∵ Hi-Fi speaker， clear and bright sound Brand: REMAX
Model: RB - M7
Design: Multifunctional，Stylish
Compatible with: Laptop，Mobile phone，MP3，PC，Tablet PC
Supports: Bluetooth，Volume Control
Connection: Wireless
Interface: 3.5mm Audio，Power Charge Port
Audio Source: Bluetooth Enabled Devices，Electronic Products with 3.5mm Plug Bluetooth version: Bluetooth 4.1
Audio File Format: MP3，WAV，WMA
Transmission Distance: W/O obstacles 10m
Speaker Impedance: 4 ohm
Power Output: 5W x 2
Standby time: 100hrs
Freq: 100Hz-20KHz
S/N: 80dB
Distortion: 0.005pct Charging Voltage: 5V
Working Voltage: 5V
Charging time: 4hrs
Lasting Time: MAX. volume 6hrs
Battery Capacity: 2200mAh Package weight: 1.007 kg
Product size (L x W x H): 19.80 x 8.50 x 6.50 cm / 7.8 x 3.35 x 2.56 inches
Package size (L x W x H): 26.00 x 11.80 x 10.80 cm / 10.24 x 4.65 x 4.25 inches Package Contents: 1 x RB - M7 Bluetooth Speaker， 1 x Charging Cable