• Copper, Anti-meganetic bearing. Vacuuml encapsulation technology to generate high sensitivity and give you an accurate direction.
• Mechanical instrument inspired design. Finished by CNC. D type key ring makes it convenient to match accessories
• Free beaded chain-may be carried as a pendant; Designed for everyday carry.
• mini size for every carry: Length:1.48" Width:0.925" High:0.51" Weight:0.49oz
• accessories:D-type keyring, beaded chain