Bluetooth speakers
Availability: In Stock
Solution: 4.2
Power output: 3w*2
Function:BT handsfree TF card, FM radio, USB disk
speaker：52MM 4Ω 3W*2
Battery Capacity;400mAH
Voltage: 3.7V-4.2V
Bluetooth distance:10M
S/N ratio:≥80dB
Frequency response:20Hz–20K Hz
Distortion：≤0.5% w1K Hz
Working time:3hours 70% volume
Color:red / blue / green
Material :plastic, silicion
Accessory:charging cable
