gold Professional bluetooth wireless microphone handheld speaker karaoke music player AZ17794 Specifications:Product name: ws1816 wireless LED bluetooth microphone; Product size: 27 x 8 x 8cm/10.63 x 3.15 x 3.15in;Material: ABS shell, Aluminum alloy handle, steel mesh coverInput ;voltage: 5V;Power supply: USB power supply;Battery capacity: 1800mA, 18650 lithium battery;Quality of speakers: 3w;Connection mode: mobile phone BluetoothApplicable places: family, KTV, outdoor, car, stage, etc.Supports various smart phones of Apple and Android systems.¡ô Speaker power: 4¦¸ 3W¡ô Signal-to-noise ratio: ¡Ý85dB¡ô Frequency response range: 150¡« 20KHZ¡ô Audio source interface: 3.5mm stereo headphone plug¡ô Charging time: 3¡«5 hours¡ô Play time: 5-8 hours with full charge and intermediate volume¡ô Power adapter requirements: input voltage: 220V output voltage: 5V current 1A/2APackage :1 x ws1816 Wireless LED Bluetooth Microphone,1 x USB Charging Cable,1 x Connecting Line,1 x User Manual