Adults White Noise Sound Machine Living Room Dimmable Night Light Stereo Sound Music Player Timer Speaker Household Supplies Description: White noise machine has 20 soothing sounds that allow you to select the perfect channel and get ready for your rest. This sound machine features night light that can emit a warm light and provide a good sense of safety. The sound machine allows you to setup optional 15, 30, and 60mins automatic shut-off timer. The sound machine remembers your last settings of the sound and volume level when you next turn it on. This white noise sound machine is small and lightweight, portable for home and travel use. Specification: Type A: Material: ABS. Size: 90x90x31mm. Color: White. Input voltage: DC5V. Working voltage: 3.7V. Battery capacity: 1200mah.(Built-in) Use time: 15~30 hours. Charging time: 1.5 hours. Type B: Material: ABS. Color White. Size(LxWxH): Approx. 8x8x3.3cm/3.15x3.15x1.30 inch. Voltage input: DC5V=0.5-1.0A Power: 1W Battery: 800mAh Battery Cycle Times: 500 times Use time: 30-36 hours Charging time: 1-1.5 hours Type C: Material: Plastic and Silicone. Color: White and Orange Size(LxWxH) Approx. 9.8x7.7x7.7cm/3.86x3.03inch Battery: 1800mAh Type D: Material: ABS. Color: White, black. Size(LxWxH): Approx. 16.7x5.5x10.5cm/6.57x2.17x4.13 inch. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: Type A: 1/2 x White noise machine.(Battery built-in) 1/2 x USB cable. 1/2 x User manual.(8 languages) Type B: 1 Piece White Noise Sound Machine Type C: 1 Piece Baby White Noise Sound Machine Type D: 1 Piece White Noise Player(with 1 Piece USB Cable, 1 Piece User Manual).