Feature: 1. MICROCURRENT MASSAGE: CES is a safe, non invasive treatment that effectively uses microcurrent to relieve anxiety, insomnia and depression and improve sleep. 2. TIMING FUNCTION: 20 minutes intelligent timing automatic power off, automatic timing 20min off, which will save power and safe to use. 3. NON INVASIVE TREATMENT: Physical sleep aid, non invasive, painless and worry free, just through a pair of ear clips, you can open the deep sleep mode. 4. 3 MODES: 3 Modes meet various requirements, T1 comfort mode, T2 stimulation mode, T3 strengthen mode. 28 levels strength, you can choose your favorite mode. 5. METHOD OF USE: Connect the ear clip electrode cable to the host, wet the ear clip with wet paper towel or water, clip the electrode ear clips on the left and right earlobes, press the "+", "‑" adjustment key to adjust the strength of the gear. Specification: Item Type: Sleep Aid Material: ABS Battery Type: Lithium ion (built in) Battery Capacity: 500mah 1. This machine is rechargeable, the LCD white light flashes when charging, and the white light goes off when it is full. 2. Do not turn on the machine when charging. 3. The machine is equipped with 20 minutes timing, and will automatically shut down after 20 minutes. 4. connect the electrode cable of the ear clip to the electrode socket of the main unit 5. Wet the ear clip with wet paper towel or water 6. Clip the electrode ear clips on the left and right earlobes (the two ear clips do not distinguish between positive and negative poles) 7. Long press the power, mode button to switch on and off. 8. The machine has three modes: T1 comfort mode, T2 stimulation mode, T3 strengthening mode, the default T1 mode, the default strength of 1 gear, the LCD display shows 20 minutes countdown. 9. Short press the power, mode key to switch modes in turn, short press the "+", "-" adjustment key to adjust the strength of the gear, a total of 28 adjustable, each adjustment of the LCD display the corresponding gear or mode.. Package List: 1 x Sleep Instrument1 x USB Charging Cable1 x Ear Clip Electrode Cable