JDY-64 Lossless Bluetooth Audio Module 4.2 High Fidelity HIFI Speaker Audio Earphone Power Board Modification

  JDY-64 Lossless Car Bluetooth Audio Module 4.2 High Fidelity HIFI Speaker Audio Earphone Power Amplifier Board Modification         Description Model: JDY-64 expansion board Bluetooth version: Bluetooth V4.2 Support Bluetooth protocol: HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2 Working voltage: 5V or 3.3 ~4.2V Unconnected broadcast status current: 5.5mA Post connected working state current: 20MA Deep sleep current: 3uA Working temperature: -40degC – 80degC Tran