Product overview A compact rechargeable white noise machine available in white, green, or yellow. Delivers selectable ambient sounds through a builtin 66 mm speaker, Bluetooth 5.0 streaming, USB playback, or a 3.5 mm wired connection. Designed for portable use at home, in the office, or on the go. Key benefits Reduces the impact of disruptive background noise by providing consistent ambient sound, helping users maintain focus or a calm environment without medical claims. Flexible playback options: wireless Bluetooth 5.0 connection, USB source, or 3.5 mm wired input for compatibility with most phones, tablets, and audio devices. Precise control over volume and sound: 26 builtin sounds with 16 adjustable volume levels for customized ambience. Clear audio from a 66 mm driver with 5 W output power for balanced sound in small to medium spaces. Portable and rechargeable: powered via the included charging cable with 5 V input for convenient recharging and placement anywhere. Standout features Multiple interfaces: headphone jack and DC input provide extra connection options for private listening or continuous power. Bluetooth 5.0 ensures stable wireless pairing and lowlatency streaming from compatible devices. Compact footprint at 11.8 x 11.8 x 5.6 cm and lightweight 0.5 kg for easy placement and transport. Complete package: white noise machine, charging cable, and instruction manual included. Technical specifications Color options: White, Green, Yellow Power supply: Charging (rechargeable) Output power: 5 W Power input: 5 V Speaker specification: 66 mm driver Bluetooth: Bluetooth 5.0 Functions: Bluetooth, USB, 3.5 mm wired playback Interfaces: Headphone interface, DC interface Sound options: 26 builtin sounds Volume levels: 16 levels Product size: 11.8 x 11.8 x 5.6 cm Product net weight: 0.5 kg Packaging size: 16.3 x 14.1 x 7.2 cm Practical use scenarios Home office or study: Mask intermittent household noise to help sustain concentration while working or studying. Travel and overnight stays: Small form factor and rechargeable power make it suitable for use in hotel rooms or temporary accommodations to create a familiar ambient sound. Shared living spaces: Use at a desk, bedside, or common area to reduce the distraction of nearby conversations and appliances without using headphones. What is in the box 1 PC White Noise Machine 1 PC Charging Cable 1 PC Instruction Manual Compatibility notes Compatible with most Bluetooth enabled devices for wireless playback. Supports USB audio input and standard 3.5 mm wired connections. DC input and headphone interface offer additional power and listening options.