Sleep Aid Handheld Microcurrent Rechargeable Sleep Device Holding Sleep Aid Instrument For Adults Multifunctional Negative Sleeper Improve Sleep Features: Sleep Aid Device: Handheld sleep aid device can be used in the office, home and business trips, It can help people with insufficient sleep and poor psychological quality to fall asleep as soon as possible. Anxiety Relief: Microcurrent stimulates neurotransmitters in the cerebral to emotions, and promote sleep. Properly stimulate the hands, so that the hands and brain will be at the same frequency to calm the anxiety. Negative Sleep Instrument : The sleep aid machines have 2 duration modes and 15 stimulation intensities, assist sleep at night, assist with during the day, it can help you focus on important matters and get the done efficiently. Enjoy fresh and fall into a natural sleep . Ideal For Long-Term Using: The handheld fast sleep aid was powered by use Type-C charging port, long life. It can help you fall asleep quickly or concentrate through brain waves instead of sound, very effective long-term use. Portable And Safe: Small and convenient sleeping machine, lightweight design, you can easily put it in your handbag or your pocket, adopts sling design, which can be easily stored and carried around. You can use it at home, in the office whenever and wherever. Product Product material: ABS plastic+stainless steel technology, Built-in battery capacity: 300mAh, Charging voltage: DC5.0V/1A, Working voltage: 3.7v, Working current: 0.005A, Rated power: 0.3W, Rated current: 200MA, Battery life: 2 hours, Charging time: 1 hour, Working gear: 15th gear, Package: 1 x Sleeper 1 x USB charging cable 1 x instruction manual