BIGMONAT Adult White Noise Machine, USB Charging Portable for Office Privacy and Noise Reduction, With 10 Natural Sounds (Classic White)

• 【Rechargeable Built-in Battery】 - This is a speaker that uses a built-in 3.7V 2200mAh ultra large capacity for charging. You don't need to waste money on purchasing a battery, and each charge can last for more than 20 hours. Convenient USB-C cable that can be charged anywhere.
• 【Provide 10 Soothing Sounds】-10 non cyclic sounds for better sleep, learning, and relaxation, including summer nights, songbirds, heartbeats, waterfalls, rainforests, white noise, rain, streams, oceans, and thunder. If you are looking for a noise machine suitable for adult sleep, it is a good choice.
• 【 Automatic Shutdown Timer】- It has a 15/30/60 minute automatic shutdown timer or continuous playback setting, and through volume control, you can choose from very low to very high volume levels. To ensure a calm environment, if you want to buy a noise machine suitable for napping, relaxation, meditation yoga, and concentration, this sound machine is your best choice.
• 【 Portable & Compact Adult Edition】-This portable and travel friendly recorder is perfect for home or outdoor use. It can be easily placed in a bag and works wirelessly without the need to be plugged into a wall. You can take it anywhere and create the best sleeping environment for you.
• 【 Memory Function&Easy to Operate】-Set the volume level, timer&music, and the noise generator will remember your preferences. Every time you restart it, it will restore your favorite settings without the need to reset.
• 【 White Noise Machine For Office Privacy&Noise Reduction】-Our White Noise Machine can be widely used in office areas. It has several white noises and a high range of volume, which can protect private conversations.

Product description Product Description Warm Tips: Please push the main power switch to ON before use. Push the switch to OFF if the machine willnot be used for a long period of time. Specification: 10 high quality natural sounds Timer setting: 10, 30, 60 minutes auto-off timer Powered by 3.7V 2200mAh lithium-ion battery Full charging time is approximately 4-6hours. Weight: 0.64 lbs Size: 6.7 x 3 x 2.9 inch Package included: 1 x White Noise Machine 1 x USB-C Cable 1 x User Manual Directions 1. Push the main power switch to 'ON' to turn on the device. 2. To select a sound, press the 'MODE' button until your desired sound is displayed (e.g., 'Birds', 'White Noise', 'Rain'). 3. Adjust the volume using the '+' and '-' buttons. 4. Set the timer by pressing the 'TIMER' button, then use the '+' and '-' buttons to select the desired duration (10, 30, or 60 minutes). The device will automatically shut off after the selected time. 5. To turn off the device, push the power switch to 'OFF'. 6. Charge the device using the USB-C cable provided. Full charging time is approximately 4-6 hours. Safety Warning Always turn the machine on and off using the main power switch. Do not use if the power switch is damaged. Keep the machine away from water. Do not use while sleeping if you have difficulty waking up to smoke, fire, or danger. This product is not a toy. Do not use for children under 3 years of age. Always follow the manufacturer's instructions.