LONG RUNNING TIME & FAST CHARGING TIME: It runs for 11-18 hours and takes about 2 hours to charge. The sleep mode can end up saving you a lot of energy in the long run.

With TWS mode function: it can deliver good sound quality between two S388 without the hassle of messy and likely tangled wiring, no cables required.

20W High Power Speaker: Covering about 8000 square feet, transmits your voice louder, clearer and farther without noise and distortion.

Easy to charge: The display lets you know when the battery needs charging so you never have to experience an unexpected power outage situation.

USB & Bluetooth Playback: You can play music and receive input at the same time so you can use it as a mini karaoke set. This is great fun for kids and everyone else. Bluetooth 5.0 is faster and can work at greater distances than Bluetooth 4.2.

Package Included:

1 voice amplifier
1 wireless microphone for headphones
1 charging cable

1 charging plug

1 audio cable
1 adjustable waist.