Built-in 1800mAh lithium battery.
. Full charge time: about 2 hours (about 60 minutes of working time).
. Main material: flannel + high resilience memory foam. . 3 kneading massage heads.
 . Built-in timer: automatic shutdown in 10 minutes.
 . 3 massage modes: Kneading + vibration, vibration alone or kneading alone . 2 pinch speed settings and 2 vibration modes to choose from