Feature:1. ANXIETY RELIEF: Helps people with sleep deprivation and anxiety fall asleep quickly, helps you relax, reduces migraines, reduces anxiety and releases stress.2. PHYSICAL THERAPY: Properly activate the hands to align the frequency of the hands and brain and relieve anxiety. Safe, promotes relaxation, releases stress and provides you with sleep aid.3. RELAX BRAIN: Promote neurotransmitters in the cerebral cortex, regulate emotions, thus promoting sleep and helping you relax your brain.4. WIDELY USED: Can be used for study, office, home and business travel. It can be used for 20 minutes a day to quickly solve sleep problems.5. EASY TO CARRY: Lightweight and portable, can be put into a pocket, the lanyard can be hung to the wrist to prevent falling and breaking.Specification:Item Type: Sleep InstrumentMaterial: ABS, 304 stainless steelSize: Approx. 81 x 50 x 31mm / 3.2 x 2 x 1.2inBattery Type: 1 x AAA battery 1.5v (not include).Package List:1 x Sleep Instrument1 x Instruction Manual1 x Lanyard