Wireless BT Speaker: Double click the POWER button to change between BT mode and white noise mode. Easy to connect to your smartphones or other BT-enabled audio devices to play wireless music. (Note: Timing function does not work in BT mode.)
Compact and Portable: This portable sound machine is lightweight, compact, and easily fits into your bag, or suitcase, convenient to carry it with you when travel. Suitable for use when sleeping at home, working in the office, breast-feeding or travel. Ideal for adults, children, and babies!
Timer and Volume Controls: You can set it for continuous play or setting a timer 15, 30, 60 minutes auto-off; you can also adjust the volume with convenient buttons - long press the MODE button to decrease volume, and long press TIMER button to increase volume.
Cordless & Rechargeable: Built-in 500mAh battery can last up to 15 hours of working time. It can be fully recharged via the included Type-C charging cable in about 1 hour. Buy one to create a comfortable sleeping atmosphere, achieving deep sleep.

Specifications:
BT Version: 5.0
Transmission Distance: about 10m (no obstacle)
Frequency Response: 20Hz-20KHz
Output Power: 3W
Audio Decode: MP3, ACS, AAC, WAV, etc.
Battery Capacity: 500mAh
Working Time: about 5 hours
Charging Time: about 1 hour
Charging Port: Type-C
Input Voltage: 5V 1A
Color: Black, White, Pink (Optional)
Item Size: 8.0*8.0*1.3cm/3.15*3.15*0.51in
Item Weight: 50g/1.76oz
Package Size: 14.6*10.5*2.0cm/5.74*4.13*0.78in
Package Weight: 123g/4.33oz

Package List:
1 * Sleep Machine
1 * Charging Cable
1 * User Manual (English/Chinese)