This sleep sounds machine can block out surrounding noises, like the street noises, neighbors' noises, and partner's snoring. It will help you get a good sleep every night! has lots of different sounds relaxing sounds nature sounds, which is perfect for sitting meditation or doing YOGA, giving you a very relaxed and happy mood every day! This white noise sound machine will protect your conversation privacy in the office, and it also can boost your concentration on your work or study. PRODUCT SPECIFICATIONS: Material: ABS Product size: 80 80 13mm Bluetooth version: 5.0 Battery capacity: 3.7V polymer lithium battery 500mAh Speaker: 6O 1.5W (dual speakers) Effective distance: 10M Playing time: 15H Charging time: 1H Response frequency range: 20Hz-15KHz Function: built-in seven kinds of white noise playback, bluetooth connection playback PACKING LIST: White noise machine 1 Type-c charging cable 1 Manual 1?Warm and Professional Service?You can rest assured that use our product. We will provide high quality customer service and fastest solution, if you have any questions about our product, we will do our best to help you out. Your support is our greatest happiness. ?3 Timer Options and Strong Memory Function?It possesses a timer function, which can be set to 15 30 60 minutes or continuous playback, after the timing is over, it will shut down automatically. And the memory function will automatically remember the previous setting, no need to adjust. ?Bluetooth 5.0 chip?Faster and more stable transmission, excellent hardware, faster and more stable transmission, both speed and stability, HD without stuttering, low energy consumption, two-way power saving.Strong battery life Continuous playback of 15 hours, standby time up to 168 hours. ?Portable Design?Is powered by Type-c charging cable, our package comes with power cord, no additional purchase. Made of high quality ABS material, strong and durable.So whether it is at home, office or travel, it is the perfect choice, you can enjoy the comfortable and peaceful environment it brings you anytime and anywhere. ?7 No-Looping Soothing Sounds?This sound machine offers 7 soothing sounds, fan sounds, rain sounds, sea wave sounds and other soothing sounds (brook, bird, campfire, train, star dust, lullabies, meditation, etc.). The sound provided is soothing and not harsh, which can effectively improving the quality of sleep.