Smartgun™ pro is a high-performance fitness massager that uses high-frequency percussions for self-induced relaxation and pain relief. With an extra lightweight design, the smartgun pro can help with sports or heavy activity recovery and everyday work injuries, aches, and pains for people of all sizes, including the elderly. Relieve muscle tenderness and increase blood circulation with four interchangeable treatment heads designed to target all body parts and eight customizable intensity levels. Smartgun pro takes it a step further in percussion massaging. Making it the ultimate percussion tool to relieve muscle tenderness and increase blood circulation. You can count on the following: 4 interchangeable massage heads 8 speeds for customized treatment Digital display for clear setting reading 3500 percussions per minute 17 mm amplitude for deeper massage 2.5 hour battery life & usb rechargeable Comfortable & ergonomic rubber grip Extra lightweight design Massage action does not stop when pressed against the skin. 1/4 of the price of theragun or hyperice # Pieces In Set: 5 Number of Batteries: 1 Number of Settings: 10 Number of Speeds: 10 Included: 1 Rechargable Battery(ies) Features: Ergonomic Design Battery Type: Lithium Ion Measurements: 7 Height/Inches, 3.1 Width/Inches, 9.5 Length/Inches Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported