[Type 2] Gold A314B 8 24V Dual Channel Mono Power Digital Audio Power Amplifier Board 2*30W (With Aux + Bluetooth + Terminal Screw) electronic calibration tool When you call: short press Low noise and low When you call: short press answer long press reject The capacitive sensor can detect any targets whose dielectric constant is more than air Note: This is a mono Amplifier Board with Dual Output Automatically enter the Bluetooth pairing mode when starting up
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