Portable speaker system CMIK MK-8811, with head-mounted microphone

Brand: CMiK
Product color: Black
Description: Type: mono, total power: 20 W, wireless connection: Bluetooth, connectors and interfaces: USB Type-A for flash drive, audio input mini jack 3.5 mm, features: built-in microphone HandsFree function
Peculiarities: Built-in microphone Handsfree function
Type: Mono
Signal to noise ratio: 85 dB
Control: Push-button, from a smartphone
Connectors and interfaces: USB Type-A for flash drive, audio input mini jack 3.5 mm
Number of batteries: 1
Working hours: 5 h
Battery capacity: 1800 mAh
Housing material: Plastic
Battery type: Your own
Wireless connection: Bluetooth
Nutrition: Autonomous
Charging time: 5
Maximum playback frequency: 18000 Hz
Minimum repeatable frequency: 60 Hz
Total power: 20 W
Charging connector: microUSB