Battery Type : 1200 mah Lithium-ion Battery 

Charging Time : 60mins 

Battery Capacity : 7.4V 800mAh

Working Time : 30-40mins 

Level 1 intensity ( 1900 rpm/min)

Level 2 intensity ( 3000 rpm/min)

Level 3 intensity ( 3900 rpm/min)

Input : DC5V / 2A

56.5X35X52cm/6 PCS

Electric Percussion Pistol Massager For Body Neck Back Deep Tissue Muscle Relaxation  Portable Massage Gun