Feature:1. Hot compress for 15 minutes a day to relieve your sore shoulders and neck. Effectively relieve fatigue, relieve pain, relax muscles and promote blood circulation.2. 9600mAh capacity, safe and high‑strength performance.3. When you're outside, the neck heater makes you 10 times warmer than the scarf, and the heat will protect you from the cold.4. With simple digital display lamp temperature visible at any time, more convenient to use.5. There are three temperature choices to match different skin tolerance to avoid scalding skin due to high temperature.Specification:Condition: 100% Brand New Item Type: Neck WarmerMaterial: ABS+Aluminium SheetColor: As Pictures Shown Weight: Approx. 426g/15ozModel: WS24Charging Input/Output: 5V/2A(Maximum)Power: 8W (Maximum)Charging Interface: Type-COutput Interface: USB2.0Gear Temperature: First Gear 37℃, Second Gear 45℃, Third Gear 55℃Battery Type: Lithium BatteryBattery Capacity: 9600mAh Package List:1 xNeck Warmer 1 x Manual1 x Charging Cable