Dear customers and friends, please note: Tax will be added to the invoice, please consult customer service for details, thank you Glove packaging size: 40*21*3cm Gloves: 200g Battery: 180g Battery Box: 60g The gloves have three heating levels. When fully charged, level one at 50-55 degrees can be used for about 2 hours, level two at 45-50 degrees for about 3 hours, and level three at 35-40 degrees for about 5 hours. Charging time is 4 hours, with slight variation depending on temperature and environment