Specifications:
Product name: ws1816 wireless LED bluetooth microphone 
Product size: 27 x 8 x 8cm/10.63 x 3.15 x 3.15in
Net weight: 466g
Material: ABS shell, Aluminum alloy handle, steel mesh cover
Input voltage: 5V
Power supply: USB power supply
Battery capacity: 1800mA, 18650 lithium battery
Quality of speakers: 3w
Connection mode: mobile phone Bluetooth
Applicable places: family, KTV, outdoor, car, stage, etc.

Warm tips: 
The product comes with a user manual, from recording, singing, tuning, and very thorough, to help you to play with the new ws1816 bluetooth microphone.

Included:

1 x ws1816 Wireless LED Bluetooth Microphone

1 x USB Charging Cable

1 x Connecting Line

1 x User Manual