White Noise Machine USB Rechargeable Timed Shutdown Sleep Sound Machine For Sleeping Relaxation For Baby Adult Office Travel V2 300mAh by Fit Sports

White noise, quite literally, is all of the frequencies that an ear can hear, played in no particular order. When a Rechargeable White Noise Sound Machines plays white noise in our room, it covers up the sounds traveling in from the street outside or inside our own house or apartment. This is a big help for children and babies, who might be sleeping so lightly that any noise will wake them up. Rechargeable White Noise Sound Machine V1 Material: ABS + PC + silicone + electronic componentsSize: 80 * 80 * 33mmInput: DC5VOutput: 4.2VPower: 1WCertification: FCC / CE What's in the box: 1x Rechargeable White Noise Sound Machine V1 1x USB 1x User Manual Rechargeable White Noise Sound Machine V2 Material: ABS + silica gelInput: DC5V = 0.5AOutput: 4.2VPower: 1WCertification: CE, FCC, Rosh What's in the box: 1x Rechargeable White Noise Sound Machine V2 1x USB 1x User Manual