With surprising power and whisper-quiet operation, the GO was designed with simplicity in mind. Ultra-lightweight at 0,7 kg and 30% smaller than the Hypervolt, the GO is ready to provide relief wherever you roam.· Helps relieve muscle soreness and stiffness· Improves range of motion· Increases blood circulation· Accelerates warmup and recoveryTechnology Specifications and Features:· Warranty: Includes Hyperice 1-Year Warranty· Size: 18 cm (H) x 14 cm (W) · Weight: 0,7 kg· Patented Quiet Glide™ Technology· 3 speed settings· Travel: Travel-friendly, TSA approved as carry-on· 2 Head Attachments (Flat, Bullet)· Battery: Rechargeable lithium-ion batteries give over 2,5 hours of use