Bluetooth version:JLV4.2 Operating Voltage: 3.7V
Charging Voltage: 5V
Output Power: 3W*2
Speaker Spec.:45mm 4Ω 3W
Frequency Response: 60Hz- 18KHz
Battery Capacity:600mA*2
THD: ≤ 0.5%
SNR: ≥95dB Function: Bluetooth. handfree.TF card ,FM ,Aux,Product size: 65*65*85mm