Description
– Bone conduction: Transfers audio via the bone, won’t disturb others.
– Long work time: Built-in polymer battery provides 10 hours music play and 300 hours standby.
– Easy to connect: Bluetooth 5.0, compatible with most phones and tablets.
– Auto power off: Turns off automatically after 30 minutes.
– Other function: Supports memory card for MP3 playback.

Specifications
Type: Speaker
Bluetooth version: 5.0
Connection range: Approx. 10m/32.81ft
Material: Plastic
Working voltage: 3.7-4.2V
Vocalism unit: Bone conduction
Frequency response range: 20Hz-20KHz
S/R rate: 60dB
Battery: Polymer 400mAh (built-in)
Music play time: About 20 hours
Standby time: About 300 hours
Charging voltage: 5V, 400mA
Charging time: About 2 hours
Size (LxWxH): Approx. 15.5×3.6×1.2cm
Channel: 2
Audio crossover: Full-range
Input power: 25W
Rated power: 4W
Impedance: 2
Sensitivity: 32dB
Total Harmonic Distortion: 1%

Package Include
1 x Speaker
1 x Charging Cable
1 x User Manual