White Noise Machine with Multiple Preset Sounds for Sleep

White Noise Machine with Multiple Preset Sounds for Sleep Description

White Noise Sleep Instrument With Multiple Preset Sounds To Improve Tinnitus, Assist Sleep In Adults And Infants, And Improve Sleep Features: High audio reproduction, providing a live experience with 20 built-in audio sources, no need to connect and download. The audio tape has a lithium battery capacity of 1000mAh, a charging time of 3 hours, and a working time of 914 hours. The audio system can be used immediately upon startup, without the need for WiFi network, with a maximum usage range of around 20 meters. Low power alarm function, the device emits a drip alarm prompt when low power is present. The device supports timing function and can set the playback duration. The timing function is divided into four gears:30 minutes,60 minutes,90 minutes, and off. Product Description: Product Name: White Noise Sleeper Product color: white Frequency:60-20kHZ S/N: 75dB CPU: HR1920A Speaker specification: 40mm, 2 Ω, 3W, circular outer magnet Sound source:20 sound sources (5 white noise,5 natural sounds,9 natural sounds,1 prenatal sound) Audio format: WAV Standby power consumption: 40uA Usage distance: 20m Power supply: 5V/1A Working current: 150Max Usage duration:9 hours (medium battery, night light on)/14 hours (medium volume/night light off) Internal battery: 1000mAh Package size:10.57.54.5Cm/4.131.8In Package weight:110g/0.24Lb Product List: 1Instruction 1charging cable 1Sleep aid