Bluetooth Version: 3.0 EDR
Audio input: Bluetooth, TF Card, AUX
Speaker Diameter: 40mm, Dual Speaker
Power Output: 4.5 x2
Operating Voltage: 3.7v
SNR: ≥80dBA
Distortion:<1%
Frequency Response: 100Hz-18KHz
Built-in Microphone
Battery &power: 2500mAh
Music Playing Time: 4 to 8 hours
Charging Time: 1.5-2 hours
Bluetooth transmission Distance: 10M
