Model Number: Wireless charging Bluetooth speaker Brand Name: jiaxing Key Specifications/Special Features: Use: computer, home theatre, karaoke player, mobile phone, portable audio player, stageChannels: 5 (4.1)Special feature: mini, portable, wirelessFrequency response:100Hz-20KHzBluetooth version: V4.1 EDRBattery: 5200mAh, Li-ion batteryDistortion: <0.5%Power bank: in-5.0V 1.0A; Out-5.0V 1.0AOutput: 5W 5V 1A camping lamp light Bluetooth speakerSignal-to-noise: ≥85dBTF audio file format: MP3, WMA, AAC, WAV, FLACLoud speaker: 4Ω 5W