Detailed Product DescriptionPromotion speaker/laptop speaker/Mini speakers/promotional speakers
Net Weight 52g
Size 52mm x 52mm x 64.5mm
Speaker Magnetism Prevent 36mm/2W
Loudspeaker Output 2.4W
Rating Power 1.8W
Frequency Response 100hz to 20Khz
Signal-to-Noise >89dB
Distortion <0.5%
Playback Time 4 to 6 hour
Battery Voltage 3.7V
Battery
Capacity 300MAH
Battery Charging Voltage 4.2V+0.05V
Charge Time DC (+2.5hours)|
USB (+4hours)
Discharge Time
MP3 volume in 31mv(+2hours)
Mp3 volume in 31mv(+2hours).