1. Material: titanium steel, silica gel
2. Maintenance: usually wear gold-plated jewelry to avoid bumping and rubbing with hard objects. after wearing, wipe it with alcohol before storing
3. Note: do not touch chemicals, cosmetics, etc., stay away from humid environments, avoid contact with acidic substances, organic salts in sweat are also easy to oxidize the surface of the jewelry
4. Prevent accidental loss of bluetooth headset
5. Dimensions: width 1.6 cm, length 5.5 cm
6. Weight: 1.3 grams
7. Packing method: high-grade ziplock bag (can be recycled many times and used to store small accessories to slow down oxidation)