1. Shell material: metal
2. Interface technology: nickel-plated
3. Power supply voltage: DC 9V
4. Bandwidth: 50Hz-5.5MHz
5. Operating temperature: 5-40 degrees celsius
6. Metal shell texture, heat dissipation performance is strong, easier to adapt to long working hours
7. Chip compatible with a variety of systems, fast transmission speed, stable and good results
8. Nickel-plated process interface, shielding interference, wear-resistant and rust-proof
9. Size: 21.7 x 8.1 x 3.8cm
10. Weight: about 565g