Product Name: NFC multi function Bluetooth adapter Product version: Standard/Remote Product Model: M8 Bluetooth Version: Bluetooth V5.0 Battery: 3.7V/500mAh Using Time: Listen to music for about 10 hours and stand by for 30 days Transmission Range: 10m (barrier free) Interface: 3.5mm AUX/2RCA/COAXIAL/OPTICAL Input Parameter: DC 5V-2.
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