Purchased from Amazon in May 2024. Selling because I no longer use it. It works without any problems, and there are no major visible scratches, but it shows signs of use. It will be shipped in its original box. The warranty is included, but it has expired. Please be aware of this. Color: White Brand: Restnature Item Weight: 50 grams Product Dimensions (L x W x H): 43 x 43 x 48 mm Manufacturer: Restnature 【Mini White Noise Machine】This lightweight 50g white noise machine is ultra-compact at 4.3*4.3*4.8cm, making it easy to carry. It supports quality sleep not only at home but also during overnight stays, travel, and business trips. 【16 Soothing Sounds Included】It features 7 natural sounds that help you relax for sleep (birdsong, ocean waves, river stream, rain, campfire, insect chirping, spring rain), as well as sounds for babies (sleep music box, Schubert's lullaby, "shhh" sound). It also includes 3 white noise and fan sounds that are effective for improving sleep and concentration. It's also perfect as a gift for wives tired from childcare, husbands who can't sleep due to stress, children who have difficulty concentrating on homework, and parents suffering from tinnitus. 【Volume Adjustment & Hanging Strap】The R30 white noise sound machine has stepless volume adjustment, allowing you to finely adjust the volume from 0 to 75dB according to your preference. With the included hanging strap, it's easy to attach and hang on a stroller, crib, or desk side, saving space and making it convenient to carry. 【Sleep Timer Function】Equipped with a sleep timer function, you can set the automatic off time to 30 minutes, 60 minutes, or 90 minutes by pressing the timer button, according to your needs. The power will automatically turn off when the time is up, eliminating the need to manually turn off the switch. 【Memory Function & Long Continuous Use】It automatically keeps the previously set BGM, volume, and off timer, so you can immediately use your familiar settings when using it as a sleep aid or concentration tool. Equipped with a 500mAh battery, it can be used continuously for up to approximately 8 hours wirelessly.