The smartwatch is one of the first Android devices to support a new Bluetooth tracking feature called Channel Sounding.

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The best models offer all sorts of extras, like Bluetooth, FM and DAB radio, a 3.5mm headphone jack and streaming from music services like Spotify and Amazon Music. Think about whether you would use ...

If you want to use your earphones without worry at the gym and wash them off afterward, ensure they have at least an IPX7 rating. These are the best completely waterproof headphones we've tested.

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the best heart rate monitors we've tested.

AVR - Arduino Uno, Mega, Leonardo, Pro Mini, Nano etc. NOTE: Arduino boards based on ATmega328 (Uno, Pro Mini, Nano etc.) and smaller are NOT recommended. This is because the ATmega328 MCU is very ...