Phone call Function And Phone Wireless Charger&Alarm clockBT. V4.2 chip,stable singal transmission.Support adjust volume and change musicIPX5 sweat and water proofPortable Audio Player, Mobile Phone, COMPUTER; Home, outdoor, portable subwoofer speakers.Specification: Speaker Type: PortableNumber of Loudspeaker Enclosure: 2Cabinet Material: WoodChannels: 2 (2.0)Input Power(W): <;25 WFeature: Wireless Charger for Mobile PhonePower Source: Battery, DCPackage Include: 1* Sound barIf you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.reduce resonance noise. Louder, more stable and dynamic.