Product introduction:
JDY-67 adopts three-mode Bluetooth solution design, supports audio and BLE and SPP work at the same time, supports serial commands to set the broadcast name, volume, top and bottom, SD and Bluetooth audio switching

Parameters:
Bluetooth version: Bluetooth V4.2
Bluetooth protocol support: HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2, Low Energy
Operating Voltage: DC 3.3-4.2V
not connected current state broadcasting: 3.5mA
After connectingc urrent work status: 20MA
Deep Sleep Current: 3uA
Operating temperature: -40-80 degree
Transmission distance: 15m