Superb Sound Large 45mm Driver Mini Music Bluetooth Speaker With USB Cable HT-S

Features:
Mini music bluetooth speaker
Support phone/laptop/tablet PC
Support TF card (mini micro card)
To connect a row of mini speakers to get jaw-dropping audio performance
Expanded boxs (bass expansion system)drives a fuller, richer low-end response
New, large 45mm driver delivers precise highs for superb sound
Support A2DP, AVRCP, headset, hands free profile
DC 5V 500mA input
4惟 3W speaker

Specifications:
Working range: up to 10m
Working time: 4 hous
Speaker: 45mm
Loudspeaker output: 3W
Frequency response: 280HZ-16KHZ
Signal-to-noise: >= 95dB
Distortion:
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