Specifications:
Color: Blue, Beige(Optional)
Charging Type: USB charging
Charger: DC 5V/50MA-1A
Battery: Lithium battery 60MA
Size: 45×40x10mm
Weight: About 6. 5g
Max Sound Output: 129±4dB
Sound Gain: 38±5dB
Total Harmonic Wave Distortion: ≤5%
FrequencyRange: 400Hz~3800Hz
Input Noise: ≤28dB
Voltage: D.C.3.7V
Current: ≤2mA
Tips:
1. Do not remove or replace the built-in lithium battery
2. The power adapter and the main unit have a certain amount of heat during the charging process, which is normal.
3. Charge for at least 4 hours at the first time, and then use out completely . After three consecutive times, the battery can be used optimally.
Package Included:
1x Voice Sound Amplifier Device (High Quality Box Package)
1x Plug
1x USB Cable
1x Brush
1x User Manual