Awei Y119 Mini Portable Outdoor Wireless Speaker (Black) • Bluetooth Version V5.0+BR+EDR+BLE • Play Mode: Bluetooth / TF Card • Speaker Full Range Unit: 45mm 4ohms • Speaker Power: RMS 5W • Power Output: 3W • Charging Voltage: 5V / 0.5A • S/N: =80dB • Distortion: =1% • Frequency Response: 100Hz-15KHz • Battery Capacity: 1800mAh / 3.3V-3.7V • Working Time: 6-8hours • Charging Time: about 4 hours • Bluetooth Transmission Distance: 10M-15M