Wireless Mini Portable Bluetooth Speaker With USB Charger,Bluetooth Wireless

Wireless Mini Portable Bluetooth Speaker With USB Charger,Bluetooth Wireless Product parameters: Speaker type: portable speaker Passive: Active Channels: Mono Power: 3W Frequency response: 130Hz-20KHz Impedance: 4 Ω Speaker unit: 2 inches Power supply mode: DC 5V lithium batteries Other properties Power charging about 1.5-2 hours, you can play 4 hours Bluetooth 3.0+EDR, silence or pause playback automatically shutdown Support a maximum capacity not exceeding 32G TF card