Ni ravno droben tisk, prav tako pa ni omenjenih 30 ur.... več ali manj pa
Battery life GPS off 20 days
Battery Life GPS on 24 Hours
Battery life GPS & Heart Rate on 20 Hours
Battery life Heart Rate on 40 Hours
An impressive, combined GPS and heart rate-monitoring battery life of 20 hours - 2.5x longer than comparable competitor products2 - means you can run for longer before recharging. Set customisable phases for interval training, variable target pacing and laps to suit your regime, or use the indoor mode. The SF-810 is water resistant up to 5ATM, and has a compact, lightweight design
http://www.epson.co.uk/gb/en/viewcon/co ... view/14191