heated socks made from super soft and thick material and with 19.7in length in total, are ideal gifts for your families and friends to keep their feet warm in chill winter! The socks are APP controlled so that you can adjust 113-167℉ heating temperature, 15-30-45-60-90Mins timer or set constant heating as needed via the APP. It can heat up fast within 20 seconds to warm your front instep, front sole (and toe/optional). Comes with 2Pcs 5000mAh battery packs, great to keep your feet warm about 3.5-7.5 hours according to different heating levels. Perfect for a wide range of activities, such as winter hunting, ice fishing, skiing, and so on.

Feature:

• 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.

Specification:

Product Type: Heated Socks

Color Available: Pure Black With 2 White Strips

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;

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

PackageContents:

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