1. Fabric: Spandex/Lycra
2. Material: elastic silicone
3. 360-degree rotatable design, without blocking facial recognition and fingerprint recognition
4. Simple design of lightweight fabric to reduce burden, strap groove design, ventilation and heat dissipation, keep arms comfortable
5. Size: arm and wrist circumference range: 14-42 cm, wrist circumference: 14-22 cm
6. Applicable mobile phone size range: 4.5-7.0 inches
7. Weight: 84 g