Model Number: HT570-S Key Specifications/Special Features: Item number: HT570Product name: 10-hourheating hand warmer with chargerBattery capacity 5600mAhBattery type li-ion battery 18650*3piecesBattery service time: over 500 cyclesInput: 5V 1AOutput: 5V, 1A

Net weight 195+/-5g

Dimensions: 95x71.5x67mm

Hand warmer temperature: 44 to 50°C

Materials: aluminum + ABS plastic

Colors available: silver, black or OEM color

Time to be fully charged: 8-9 hours

Operating temperate:-10 to50°C

Short circuit protection: yes

Overcharge protection: yes

Over discharge protection: yes

Certification: CE

RoHS Directive-compliant

Warranty: 24-monthfrom shipping date