Wireless range: 10 meters
Battery: 400mAh
Blutooth Version: 4.2
Dimension: 50mm x 31mm
Net weight: 70g
Packaing:1pcs BM3D Bluetooth Speaker
Type:BM3D Mini Bluetooth Speaker
S/N: >=80DB
Material: Aluminium Alloy
Playing time: 2-3 hours.
Loudspeaker output: 3W
Color: Black, Red, Gold, Rose Gold,Blue,Silver
Charging time: 2 hours
Frequnecy: 20HZ-20KHZ