Handheld Micro-Current Instrument Improve Deep Sleep Holding Sleep Device Lightweight Sleeping Device for Insomnia Brain Massage

It's a great honor for you to visit my store. Good luck with your favorite purchases Place of Origin: China Electric : Y Hign-concerned Chemical : None Compatibility : All Compatible Language : English Application Age Group : Adult Function : fitness tracker,sleep tracker Type : Wrist Strap Origin : Mainland China Origin : Mainland China Product Size : 182.00x31.00x31.00mm/7.17x1.22x1.22inch Material : Plastic + Silicone + Electronic Components Battery Capacity : 500mAh Charging Voltage : DC 5V/1A Voltage : 0.5W