Portable Bone-conduction Sound Box White Noise Sleep Sound To Promote Sleep And Reduce Restlessness To Sleep Wireless Mini Sound Box Feature: Product type:Bluetooth speaker Model: ZS-01 Bluetooth name: Z-sleep Material: ABS + electronic components Product colour: White Bluetooth version: 5.1 bones-conduction vibrator: 2 Output power :10 W ~ 20 W Signal-to-noise ratio: 70 dB Effective distance:10 m Frequency response range:20Hz-20KHz Power input:5V Battery capacity: 400mAh Charging time: 40 minutes Extended storage: No scalable Playback duration: 10 Hours rating: Not Product size: 15.5x3.6x1.4cm/6.10x1.42x0.55 in Packing size: 18.4x6.8x3.2cm/7.24x2.68x1.26 in Gross weight: 165g/0.364 lb Description: bones conduction technology: bone-conduction technology to improve sleep problems, including stress, mood swings, insomnia and absence; listening to music at night for fear of disturbing people, but wearing headphones and ear pain. In these two cases, then this Bluetooth stereo is the for you. Thebone-conduction vibrator transmits music: Put the Bluetooth stereo under the pillows, transmit music through vibration, directly to the earphone and the brain, say goodbye to the pain of wearing the earphone when sleeping, and release both ears. Your exclusive music will not disturb others: this Bluetooth stereo uses bones conduction technology, sound waves directly through the pillows as a medium to the auditory nerve, does not hurt the eardrum, safe and healthier, pillows as a transmission medium, exclusive music, will not affect the people next-to it. Compact, no floor space, automatic connection: bone-conduction Bluetooth sleep audio pad face down, just put it under the pillows to enjoy music turning on, improve the quality of sleep, wireless Bluetooth, automatic connection. Built-in white noise relieves stress and helps you fall asleep: White noise, also known as harmonies, can block out other noises that sound potentially aggressive or distracting. The white noise environment calm nerves and reduces the body's concentration. The more relaxed the brain is, the easier it is to fall into a deep sleep states. Timed shutdown: Sleep all night: This sleep aid Bluetooth stereo has a timing function, double click the M key, turn on the timed shutdown, no need to operate in the middle of the night, sleep until Dnaws, you can set half an hour or an hour. Easy to carry, can be used in a variety of occasions: small and, no sense of weight, can be used in the bedroom, office and other places, can also be used to coax children to sleep. There are many uses. Instructiongs: Because the size of the product is measured manually, there may be errors. Package Included: 1 x Sleeping Sound 1 x Data cable 1 x Manual