Specification:

Model: BT-02  Bluetooth

protocol: V4.1 

Bluetooth range: up to 10meters. 

Color: black, pink, white, gold, blue 

THD: <1% 

Frequency range: 20HZ --20KHZ 

Signal-to-noise ratio: >90dB 

Charging time: 2 hours 

Power supply: USB Power 

Power rating: PO=2W 

Loudspeaker Output: 3w 

Speaker Parameter: R=28mm 4Ω 2W 

Built-in Li-ion battery capacity: 200mAh 3.7V 

Call working time: 4-6Hours 

Music time: above 3-5 Hours 

Standby time: above 10-15Hours 

Support phone/laptop/Tablet PC /any Bluetooth device  Size: 34*28.5mm  Certification: CE, FCC, ROHS 

Weight: 33g     Package Includes:  1 x Bluetooth Mini Speaker  1 x USB Cable  1 x User Manual