SODO MH3 NFC 2in1 Twist-Out Bluetooth Headphone

Output Power: RMS 3W*2
Speaker: 4,3w,40mm
Battery Capacity: 350mA
Bluetooth Version: 4.2
Maximum consumption current: headphone mode 100mA, speaker mode 250mA
Input Power: DC5V 500mA
Frequency Response: 90-18Khz
Sensitivity: 500 mv50 mV
Signal To Noise Ratio: >70db
The Distortion Degree: <0.3%
Playing Time: headphone mode around 7 hours, speaker mode 3.5 hours
Charging Time: About 2h
Functions: Bluetooth/NFC/FM Radio/SD Card/Audio In