Jbl On the go 2 Plus Partybox Bluetooth Speaker White USB Charger It features a dedicated algorithm It features a dedicated algorithm and multiple microphones to concentrate on improving the quality of your speech Three pairs of spare propellers support continuous field use Product FeaturesInstant karaoke with EasySing AI vocal removal from any song remove as much of the lead as you like while the backing vocals stay right where they belongIncludes mic so you can just plug in and sing out turning any party into a karaoke nightHigh pitch enhancement supports your upper range so you always come through loud and clear while natural reverb adds polish and presenceUp to 15 hours playtime on a single charge and charge for 10 minutes to get an extra 80 minutes of playtimeFor stereo or your biggest parties multiple JBL speakers can be connected wirelessly using AuracastConvenient handle feels balanced for carrying anywhere or its wider thicker shoulder strap hooks on easilyThe PartyBox On The Go 2 Plus is IPX4 splashproof so a little rain wont ruin the vibeJust use the JBL One app to control the music EQ and lightshow from whereverIncludes Wireless microphone microphone holder shoulder strap power cordIncorporates post consumer recycled plastic and packaged in FSC certified paper printed with soy ink Strip out the lead vocals while keeping the backup with real time AI vocal removal