Haylou PurFree wireless bone conduction headphones specially designed for sports practice

Haylou PurFree wireless bone conduction headphones specially designed for sports practice

Solar stopwatch function - 1/100 sec, 300-Lap/Split memory recall function.

Solar stopwatch function - 1/100 sec, 300-Lap/Split memory recall function.

Stopwatch function - 1/100 sec. - 24 hours,

Stopwatch function - 1/100 sec. - 24 hours,

Stopwatch function - 1/100 sec. - 24 hours

Versatile guidance for multi-sport exercise

Stopwatch function - 1/100 sec. - 10 hours

Stopwatch function - 1/100 sec. - 10 hours

Stopwatch function - 1/1000 sec, Referee stopwatch, Lap memory 100.Timer for measuring intervals:

Easy real-time monitoring of heart rate and calories