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COMPATIBLE: Compatible for Apple Watch Series ultra ,Ultra-thin PC protective case with screen protector allows quick and easy installation, Perfect fit for your watch.
MATERIAL: Durable PC & PET material cover the screen and edges Full cover protect your iWatch prevents scratches and wear

Get the power of continuous heart rate in Fitbit’s slimmest design yet-all day, during workouts and beyond. Alta HR contains a Bluetooth 4.0 radio transceiver. The operating temperature is minus 10 to 45 degree Celsius
With heart rate, you can better measure calorie burn, and use zones (Fat Burn, Cardio, and Peak) to find the right workout intensity for your goals.
With sleep stages powered by PurePulse heart rate, automatically track your time spent in light, deep and REM sleep and take steps toward a better night’s rest.

Redesigned for luxury — Thoughtfully refined and strikingly elegant, the latest Bose sunglasses blend enhanced features and designs for an elevated way to listen
Rectangular Bluetooth sunglasses — Finished in High-Gloss Black, Bose Frames Tenor style flaunts a refined square frame, a distinctive keyhole bridge, and ultramodern materials. Lens Width: 55 mm ; Bridge Width: 18 mm ; Temple Length: 155 mm ; Temple Width: 143 mm
Bose Open Ear audio sunglasses — Hear lifelike audio while others hear practically nothing. It’s an experience that leaves you free to engage with the world, all while discreetly listening to music.