$12.01 (as of 26/03/2019 00:24 PDT details )
Features:
- PCB Size 43 x 15 x 6mm 1.69 x 0.59 x 0.24inch
- Length of Dopunt Cable 20cm 7.87inch
- Operating modes Master Slave
- Power supply 3 5V, which can be accessed pin power
- 1.HC 05 Wireless Bluetooth Module
- 2.ISD 1820 Sound Voice Recording Module
- Size of Loudspeaker 40 x 40 x 5mm 1.57 x 1.57 x 0.19
- Supply voltage 3.6 to 6V, prohibit exceeding 7V