360 degree surround sound Low pitch and double speaker Bluetooth speakers

• Bluetooth 4.1 Version
• DSP high resolution noise reduction technic
• 360 degrees surrounding
• Come TF card Slot
• Material: ABS
• Battery Type: Lithium
• Charging time: 2 hours
• Playing music time: 5 hours
• Charging Voltage: 5V 500MA
• Power：3W*2
• Speaker：Ø40mm，4Ω3W*1
• Distortion：<3%
• Operating Distance：<10M
• Frequency response：90Hz-18KHz
• SNR ：≧80dB
• Battery：1200mah
• Product size: 160mm*35mm*60MM