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CHARGING
SAFETY WARNING
ELECTRICAL SPECIFICATIONS
WORKING TEMPERATURE AND TIME
WARRANTY/CUSTOMER SERVICE
SIZING CHART
• When the heated insoles are charging the LED illuminates red. When it is fully charged
the LED light will turn off.
• On the first use charge for 4-5 hours.
• Before charging make sure to turn off the heated insoles.
• Recharge device at any time.
• Do not put into water or fire.
• Clean with a damp cloth only.
• Do not wear while playing with ball games or other sports activities.
• Do not disassemble the heated insoles.
• Please turn off the insoles when not to use.
• Output Power: 2.8W (Max) *2 pcs
• Battery: 3.7V 1400 mAH Lithium Polymer battery
• Charging voltage: 5.0V (USB plug)
• 4 hours auto shut off
• Synthetic upper, overcharge protection
Mens:
Small: 5-6.5
Medium: 7-9.5
Large: 10-11.5
XLarge: 12-12.5
Womens:
Small: 5.5-7.5
Medium: 8-9.5
Large: 10-11.5
Setting 1: 140° F ±37.4°F (4 ± 0.2H)
Setting 2: 122° F±37.4°F (5 ± 0.2H)
Setting 3: 104° F±37.4°F (6 ± 0.2H)
Note: Working temperature and time depends on ambient temperature. These times are calculated
on an ambient temperature of -4° F to 50° F.
Sharper Image branded items purchased from SharperImage.com include a 1-year limited
replacement warranty. For Customer Service, please call 1 (877) 210-3449.