Double speaker Bluetooth speaker with Microphone, indoor and outdoor handy to carry high-power

Bluetooth version: 5.0 EDR
Operating range: about 10 meters
Battery capacity: 1200mA
Operation mode: button
Function support: Bluetooth, U disk, TF card, microphone
Distortion degree: 0.5-1.0%
Signal to noise ratio: 90Db
Charging voltage: 5V/600mA
Speaker unit: dual 3-inch full-range speakers
Play time: 3-6 hours
Card type: TF memory card (support 32G)
Supporting files: MP3 and other conventional formats