Tzumi PROfit Percussion Muscle Massage Gun with Cold Therapy Attachment $19.99

-6 speed settings ranging up to 3200RPM

-3-level heat attachment

-Up to 4 hours of use on a single full charge

–Includes 6 attachment heads, USB charging cable, and a carrying case.

-Specs: Battery – 7.4V/2000mAh;

Input – 5V/2A;

Dimensions – 10.5 x 2.4 x 5.6 in., 2 lbs.