Promotional Headphones, Earbuds & Speakers, Sound Machine With Custom Sleeve - 6 Nature Sounds & Timer Control, The Sound Machine is our new and easy-to-use wellness device. It provides six types of sounds to help busy business professionals find calm during or after any busy day at home or office. Beautiful sounds play from a built-in speaker on the back. The opposite bamboo side panel displays a cleanly etched laser-engraved logo. It is a compact device that can be easily kept on desktops or stored in baggage for travel. Sleep Machine Sounds: Bird Sounds Rain Fireside White Noise Ocean Waves Wind Operation Details: Timer: 15min, 30min, 60min, and continuous play Press the '+' button to increase volume or the '-' button to decrease volume. Press the "Time" button briefly to switch between time span options. Each time span option has corresponding LED lights. Specifications Input Voltage: DC5V/1A Output Power: 3W ... #2061F $30.38/each.