The Freelap BLE chip transmits data direct to MyFreelap App. via a smartphone or tablet after being set off by a Freelap transmitter. *NOW RECHARGABLE* The Bluetooth transponder detects transmitters crossed by the athlete, and automatically send all timing data via bluetooth on your mobile device (MyFreelap app – free download on Android and iOS) This electronic timing system is ideal for sprint training, agility drills, and race simulation. Track and field coaches and athletes in Canada trust Freelap Canada for precise, wireless timing solutions.