Features
A lithium-polymer battery that lasts at least 6 hours and requires 2 hours of recharging.
Data storage for more than 6 hours.
Wireless charging using the Qi standard
ANT+ and BLE radio to transmit data to sports watches, smartphones and computers.
It weighs less than 40 grams: half as much as some sports watches.
Sealed waterproof sensor.
Two-second data update rate.