Ocoopa UT3 Liteplus Magnetic Rechargeable Hand Warmers Black on Black. A versatile everyday warmer. Specifications for Ocoopa UT3 Liteplus Magnetic Rechargeable Hand Warmer: Manufacturer: Ocoopa Application: Outdoor Gender: Unisex Features of Ocoopa UT3 Liteplus Magnetic Rechargeable Hand Warmer 3s Instant Heat Up Multiple Heat Levels 6-16 Hours Long Lasting Package Contents: Ocoopa UT3 Liteplus Magnetic Rechargeable Hand Warmer Ocoopa handwarmers 2 Wrist strap 2 Portable pouch 1 Dual type-c charging cable 1in Ocoopa UT3053-BK-BK-Plus: UT3 Liteplus Magnetic Rechargeable Hand Warmers Black on Black