Ocoopa UT4 Young Plus Hand Warmer Rechargeable Black on White. Popular with skiers and winter sports users. Specifications for Ocoopa UT4 Young Plus Hand Warmer Rechargeable: Manufacturer: Ocoopa Application: Outdoor Gender: Unisex Features of Ocoopa UT4 Young Plus Hand Warmer Rechargeable 3s Instant Heat Up Multiple Heat Levels 6-16 Hours Long Lasting Package Contents: Ocoopa UT4 Young Plus Hand Warmer Rechargeable Ocoopa handwarmers 2 Wrist strap 2 Portable pouch 1 Dual type-c charging cable 1in Ocoopa UT3056-BK-WH-Plus: UT4 Young Plus Hand Warmer Rechargeable Black on White