In Hann

Carry the sound - the teeth of the smart speaker - flat - headphones speaker

In Hann
Amplifier Technical Specifications:
Power Supply DC5V, min:1A
Output Power 2.7W/ch(THD=10%)
Frequency Response 80Hz~15KHz
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Wireless module Technical Specifications:
Bluetooth Version Bluetooth 4.1 EDR
Operating Range Up to 10 meters (Measured in open space. Walls and structures may affect range of device.)
Frequency 2.4GHz
Supported Bluetooth profiles HSP,HFP,A2DP, AVRCP,SPP
Dimensions(L x W) 45mm x 45mm
Built-in 350mAH Li-ion battery charger  

Pin Assignment
 

PCB Dimensions (Unit:mm)