Bluetooth speaker with TF card slot, charging function, FM radio, voice prompt, variable frequency power amplifier;
Can be used as a power bank or for emergence charging;
Built-in 4400mAh lithium battery; Ultra long playing time; Supports working for more than 15 hours with maximum volume, about 25 hours with medium volume, about 10 hours for outdoor lighting;
Supports playing while charging;
5-mode bright flashlight: high, low, SOS, gradually change from high to low, fast strobe.
Parameters:
Output power: 3W
Working voltage: 3.7V
Input voltage: 5V / 500mA
Frequency response: 100Hz~18KHz
Bluetooth version: 3.0 + EDR
BT transmission distance: straight line distance <10m
SNR: >= 80dBA
Distortion: <1%
Audio input: BT, TF card, external audio input
Supports MP3; Bit rate: 32Kbps~320Kbps
Speaker unit: 40mm, 4ohm / 3W