1. Material: copper, silica gel, iron, glass
2. Universal headsets such as Apple and Huawei series
3. Prevent loss of bluetooth headset
4. Beautiful and practical, long-lasting color retention
5. Size: 10.5 cm/length
6. Weight: HY201001 2.2g; HY201011-1 2g; HY201011-2 1.6g; HY201011-3 2.6g