Technical specifications:Power Inputs: 100-240V ACInput terminals: USB port, 3.5mm Aux-in,Mic/Guitar with volume controlWireless connectivity: Bluetooth technologyOutput terminals: Aux-outTWS (True Wireless Stereo) connecting up to2 party speakers using Bluetooth technologyBass boost: YesFrequency response: 45Hz–18kHzProduct dimensions (W x D x H)290mm x 288mm x 551mmBare product weight: 9.7kgPackaging dimensions (W x D x H)356mm x 352mm x 664mmProduct weight with packaging: 11.3kgTransducers: 2 x 5.25" woofer,2 x 2.25" tweeterBattery type: Lithium-ion 2500mAh, 14.4VBattery fast charge time: 3.5 hoursBattery slow charge time: 6.5 hoursBattery playtime: 12 hours*