Amazfit’s GTS 2 and GTR 2 go always-on for less
By Smartgirl in Technology
Updated 3 years ago
If you want an Apple Watch with an always-on display and SpO2 blood oxygen sensor you'll have to pay at least £379 for the privilege – but Amazfit's new pair offer both for around half the price. The GTS 2 and GTR 2 also
