– How fast and powerful are your punches? What is your go to combo? – Whether you’re doing boxercise or are a seasoned pro boxer, tracking your performance is vital for improvement: – Type of punch, Speed, Power, Punch count, Work rate, Top combinations, Retraction speed, Leaderboards & More – Lightweight & comfortable, hit and sweat proof. Sold as a pair. – Package includes: 2 tracking sensors, 2 wrist bands & 1 charge cable.