Yiget Sleep Aid - Fall Asleep Faster, Stay Asleep Longer- Gifts for parents

Number of pieces: one unit Working mode: automatic Power supply: AC110V-220V+/-22V, 50HZ Frequency range: 0HZ-15HZ Pulse duration: 100ms +/-10% Single pulse width: 2ms+/-20% Load impedance: 500Ω Repetition frequency: 250hz+/-20% Ear clip electrode size: diameter 8mm How to use 1:2 times a day How to use 2: It is recommended to start from level 1 How to use 3:15 minutes each time Use time: 1 hour before bedtime Professional device: During use, the device produces a feeling of relaxation in the body. Using the device allows you to find a peaceful sleep and feel more alert and energetic. Number of pieces: one unit Working mode: automatic Power supply: AC110V-220V+/-22V, 50HZ Frequency range: 0HZ-15HZ Pulse duration: 100ms +/-10% Single pulse width: 2ms+/-20% Load impedance: 500Ω Repetition frequency: 250hz+/-20% Ear clip electrode size: diameter 8mm How to use 1:2 times a day How to use 2: It is recommended to start from level 1 How to use 3:15 minutes each time Use time: 1 hour before bedtime