Tekmee Crystal RGB Wireless Speaker

Max power: 3W Input: 5V/1A (Micro USB port) S/N Ratio (dB): ≥75dB Frequency Response: 80Hz～18KHz Frequency Range: BT: 2402~2480 MHz Maximum transmitted radio frequency power: ≥-75dBm BT version: V5.3 Bluetooth distance: 10 meters Battery capacity: Lithium-ion battery - 3.7V 500mAh Playing time: 2-3 hours Charging time: 1~2 hours