Support various smartphones and tablets from Apple and Android devices.

Signal-to-noise ratio: 60dB

Frequency response range: 40~20khz

Battery: Built-in 3000MA lithium battery

Charging time: 3-5 hours

Runtime: 5-8 hours for a fully charged medium size

Power adapter requirements: Output voltage: 5V, current: 1A/2A

Product Size: 15*8*9.5cm

One piece weight: 0.65KGS

Function: Play MP3 music in a USB flash drive with USB desk/TF slot, connect mobile phone, TV, projection or tablet karaoke through Bluetooth, and use as a microphone to talk

Accessories: 1 charging line, 1 manual, 1 wireless microphone