#429#Earldom® A31 RGB Light Bluetooth 5.1 Wireless Speaker 1. Product material: ABS + PC + metal 2. Bluetooth chip: Jerry 6966B4 3. Music time: about 4 hours (70% volume) 4. Charging time is about 2.5 hours 5. Charging interface: Type-C 6. Charging input: 5V-0.5A 7. Chip: HAA9811 Bluetooth version: V5.1 Support protocol: A2DP/AVRCP