HALOFUN Fabroop White Noise Babies Therapy Support TF Card Playback, 5 Relaxing Soothing Rechargeable Sleep Sound Machine for Kids, Tinnitus Sufferer, Light 5 SOUNDS & SUPPORT TF CARD PLAYBACK -The five soothing sounds produced by this white noise maker provide a great sound environment which lulls you to sleep. You are also able to play your favorite music from a TF card! AUTO-OFF TIMER & NIGHT LIGHT FUNCTION -You can keep playing the sounds or set an auto-off timer for 30, 60 or 90 mins. The optional light at the bottom of the sleep sound machine could function as a soft night light. BUILT-IN RECHARGEABLE BATTERY -The white noise machine can play sounds for up to 9 hours after being fully charged. The USB cable and the AC adapter make it more convenient for you to charge the device in more ways. COMPACT & PORTABLE -The 0.5-pound baby sound machine is space-saving, elegant in appearance and suitable for any corner at home. Take it on journeys and enjoy the wonderful sleep environment anywhere! ADJUSTABLE VOLUME -There are 7 sound levels of the sound machine to satisfy all your needs. The loudest sound is strong enough to block out disturbing noise from outside, while the lowest one works as a gentle lullaby to lull your children to sleep.