amazfit gtr gts 4 price usd 199 launch specifications smartwatch amazfit gtr 4

Amazfit GTR 4, GTS 4 Smartwatches With Over 150 Sports Modes, GPS Navigation Launched: Price, Specifications

Amazfit GTR 4 and GTS 4 launched on Thursday with dual-band circularly-polarized GPS antenna technology that provides precise positioning. These…