1. Function: suitable for connecting smart phones with telescopes/astronomical mirrors/microscopes and other instruments
2. Flexible and precise focusing, spring base, not stuck on the phone key/volume key
3. The soft rubber material of the inner ring does not damage the eyepieces
4. Elastic base, quickly and securely lock the phone
5. The long handle design is adopted to effectively eliminate the card key
6. Environment-friendly material, excellent workmanship, sturdy and durable
7. Weight: 73g
8. Size: 140 x 80mm
9. Material: plastic, rubber, metal
10. Support mobile phones: mobile phones can be used within the range of 62-105mm in width
11. Chassis size: 38. 5mm-43.5mm (plus or minus 1mm)
12. Ring type: size can be adjusted (plus or minus 1mm)