Meet the newest fitness tracker, Series 08 - Your ideal workout partner! With a great range of features, including Heart Rate, Music Control & GPS Connection, it's soft silicone strap is great for all day wear, wherever your day takes you! Just download our free Reflex Active app to get started! Includes charger, quick set up guide and gift box. CASE & DISPLAY CASE SIZE - 20mm SCREEN SIZE - 0.96" ONE TOUCH COMPATIBILITY BLUETOOTH - 5.0 BLUETOOTH CONNECTED - 4 DAYS ANDROID - VERSION 4.4 AND ABOVE IOS - VERSION 8.0 AND ABOVE POWER CHARGE TIME - 2 HOURS STANDBY TIME - 10 DAYS TYPICAL USAGE TIME - UP TO 4 DAYS