2200MAH , LED Bluetooth Speaker , with TF card , Handfree call , Bluetooth 4.0

Material: Metal+silicone

Feature

Bluetooth V4.0

Function: Microphone, Hand-free, Line-in, LED light

Technical specs:

Power supply: 5VDC,2.3A

Transducers: 1.5”(40mm)x2

Frequency response: 105-20kHz

Signal-to-noise ratio:80dB

      Dimensions(Dia x H): 79*182mm

      Battery type: Polymer Li-ion 3.7V/2200mAh

      Input connections: 3.5mm

      Listening time on battery power: 5 hours

      Battery charge time : 3 hours

      Bluetooth transmitter frequency range:2.402-2.480Ghz

      Bluetooth transmitter power: 0-4dBm

      Bluetooth transmitter modulation: GFSK, TT/4 DQPSK,8DPSK

Operating range: 10 metres