| Jack | : | 3.5 mm jack |
| Bluetooth | : | Version 4.2 |
| Bluetooth / wireless | : | 10m |
| Driver type | : | Neodymium drivers |
| Speaker diameter | : | 40 mm |
| Frequency response | : | 20 - 20,000 Hz |
| Impedance | : | 32 Ohms |
| Sensitivity | : | 102 dB |
| Maximum input power | : | 40 mW |
| Charging method | : | USB |
| Charging time | : | 2 hours |
| Code | : | HEJBL-15 |
| response | : | 28 kHz |
| Impedance | : | 32 1 kHz |
| Sensitivity | : | 1 kHz) 11 |
| Input power | : | 30 mW (Ma |
| Code | : | HERZ-03 |
| response | : | 28 kHz |
| Impedance | : | 32 1 kHz |
| Sensitivity | : | ( 1 kHz) 1 |
| Input power | : | 30 mW (Ma |
| Code | : | HERZ-04 |
| Frequency r | : | 12Hz-28 k |
| Impedance | : | 32 1 kHz |
| Sensitivity | : | (1 kHz) 1 |
| Input power | : | 30 mW (Ma |
| Code | : | HERZ-01 |
| Frequency r | : | 12Hz-28 k |
| Impedance | : | 32 1 kHz |
| Sensitivity | : | (1 kHz) 1 |
| Input power | : | 30 mW (Max |
| Code | : | HERZ-02 |
