Mini biodegradable oem wireless portable speaker promotional gifts for Speaker

Bluetooth version 5.0
Talking & music time 1Hr-2Hr
Charging voltage DC5V
Charging time 2h
Battery capacity 350mAh polymer
Speaker power 4 ohm3W *1
Connection distance >10m 0.5M micro charging cable
SIZE D68*H71mm
Product Keywords wireless speaker sound,wireless speaker oem,wireless portable speaker box