1. EMS pulse stimulation, help you fall asleep quickly 2. Two modes + 20 gears, you can adjust freely 3. High-quality wristband, skin-friendly and comfortable 4. Material: ABS material + stainless steel process 5. Gear: 20 gear adjustment mode 6. Current: 5V/1A 7. Interface: Type-C/USB-C 8. Battery capacity: 300 mAh polymer lithium battery 9. Charging time: about 3 hours 10. Endurance time: about 1-3 hours 11. Product size: 82 x 42 x 28mm 12. Net weight: about 38g
Packing list: - Sleep meter x 1 - Charging cable x 1 - Instruction manual x 1
