Battery capacity: built-in 320mAh
Charging time: 4-5 hours
Duration: once fully charged, it can be used for three mo...
nths when using five minutes per day
Rated voltage: 3.7V ( no 22V adapter included)
Rated power: 2W
Material: plastic + electronic components
Product size: 120 x 90mm/4.72 x 3.54"