*Features*:

*Keep Your Feet Warm*:Made of upgraded Acrylic Fiber.Viscose.Polyamide.Polyester.PBT and Nylon.the pair of heating socks are super soft.thick and skin-friendly.perfectly match your feet. Adopted heating elements on the front instep.front sole(and toe/optional).great to keep your feet warm in chill winter. Best choice for people who are adventurous and outdoorsy.
*4 Levels Of Heating & 5 Timer Setting*:Equipped with 4 levels of temperature.convenient for you to customize your own desired heating levels for max comfort. Simply adjust 113-131-149-167℉ via the APP or on the battery pack. You can also adjust 5 timer setting during 15-30-45-60-90Mins or set constant heating as needed.
*Convenient APP Control*:Simply download the APP.open "wireless" function on your phone and permit "wireless" function on the APP.connect the wireless name.then you can easily turn on/off the heated socks.set 4 levels of heating levels.5 timers/ constant heating mode via APP conveniently. You can also turn on/off.switch 4 levels of heating via the button on the battery pack when using at home.
*Long-Lasting Rechargeable Battery Packs*:Comes with 2Pcs 5000mAh battery packs.our winter heated socks can keep your feet warm about 3.5-7.5 hours according to different heating levels. Just recharge the 2 battery packs via the included Y-shaped charging cables simultaneously about 6-7 hours for fully charged after power outage. Besides.you can see the remain power through the 4 indicators on the power packs or via APP.which ensures that you can recharge the power pack in time.
*Unisex Heated Socks & Versatile Usage*:The heated socks with size of 19.7x4.13in is both for men and women with recommended shoes size of US 7-10.5. Perfect for a wide range of activities.such as winter hunting.ice fishing.skiing.camping.hiking.cycling.outdoor work and so on. Ideal winter gift for your families and friends.

*Specifications*:

​ Product Type: Heated Socks
Color Available: Pure Black With 2 White Strips. Black With Orange Leaves
Material: Anti-Pilling Acrylic Fiber 19% + Modal (Viscose) 23% + Polyamide 14% + Polyester 24% + PBT 17% + Nylon 3%
Heating Area: Front Instep + Front Sole + Toe Heating Area For Pure Black With 2 White Strips; Front Instep + Front Sole Heating Area For Black With Orange Leaves
Control Methods: Button Control(Support ON/OFF; 4 Heating Levels Switch); APP Control
Heating Level: 4 Levels (45-55-65-75℃/113-131-149-167℉)(Or 45-75℃/113-167℉ Stepless Temperature Via APP)
Per Battery Pack Capacity: 5000mAh
Battery Pack Input/Output: 5V/2A(10W)
Per Battery Pack Recharging Time: 6-7Hrs
Working Time: 7.5Hrs For 1st Level; 5.5Hrs For 2nd Level; 3Hrs 45Mins For 3rd Level; 3.5Hrs For 4th Level
APP Name: SAFEIER
Wireless Connecting Name: AC632N-1
Timer Setting Via APP: 15Mins/30Mins/45Mins/60Mins/90Mins/Constant Heating
Memory Function: Support
Recommended Shoe Size: EU 37-45/ US 7-10.5
Visible Power Cable Length: 10cm/3.94in
Battery Pack Pocket Size: 10x5.5cm/3.94x2.17in
Per Battery Pack Size & Weight: 8x5.5x1.5cm/3.15x2.17x0.6in; 87g/0.19lbs
Per Sock Size:
Leg Length: 35cm/13.78in
Leg Circumference: 21cm/8.27in
Foot Length: 21cm/8.27in
Foot Circumference: 20cm/7.87in
Per Sock Total Size & Weight: 50x10.5x0.8cm/19.7x4.13x0.3in; 100g/0.22lbs
Package Size: 18.5*10*8cm/7.28*3.93*3.14in
Package Weight: 518g/1.14lbs

*Package Lists*:

1Pair x Heated Socks
2 x Battery Packs
1 x Y-Shaped Type-C Cable
1 x User Manual