DC 3.3V–4.2V 5W Bluetooth Amplifier Board Module Rechargeable with Adjustable Sound Settings Supports TF Cards and TWS Pairing

Product Features:1. High-fidelity output, supporting sound card and audio mixing modes.2. Constructed from high-quality materials for enhanced stability and reduced signal interference.3. The Type-C port supports charging, audio mixing and sound card functions.4. Built-in TWS pairing functionality with responsive and smooth operation.5. Full-function physical buttons with clear and easy-to-remember operation logic.Product Specifications:Power Requirements: DC 3.3V–4.2VCurrent: ≥1.6A16-pin Type-C Data Interface: Charging/Audio/Sound CardDimensions: 29.97mm × 28.7mm × 14.7mm; Hole Diameter: R1.15mmNote: Speaker impedance must be greater than 3.3Ω; two 4Ω speakers must not be connected in parallel.Button Operation Guide:Single press: Power on / Long press: Power offSingle press: Pause / PlayDouble press: Next trackTriple press: Previous trackFive presses: TWS pairingSix presses: Clear pairingLong press in sound card/tuning modeSwitch to Bluetooth modeTWS Operation:Note: Only devices of the same model can be connected① Switch on both units② Disconnect from your mobile phone③ Rapidly press the power button five times (within 1.5 seconds)④ Wait 10 seconds for your mobile phone to search for and connect via BluetoothNote: The left channel initiates pairing; after pairing, one unit acts as the left channel and the other as the right channelProduct Contents:1 x Amplifier board