| IR irradiance level | 4 mW/m2 per carrier |
| Angle of half sensitivity | ± 50° |
| Headphone output level at 2.4 V | 450 mVrms (speech at maximum volume, 32 ohm headphone) |
| Headphone output frequency range | 20 Hz to 20 kHz |
| Headphone output impedance | 32 ohm to 2 kohm |
| Max. signal-to-noise ratio | 80 dB(A) |
| Supply voltage | 1.8 to 3.6 V, nominal 2.4 V |
| Power consumption at 2.4 V (battery voltage) | 15 mA (speech at maximum volume, 32 ohm headphone) |
| Power consumption (standby) | < 1 mA |
| Dimensions (H x W x D) | 155 x 45 x 30 mm(6.1 x 1.8 x 1.2 in) |
| Weight | |
| excluding battery | 75 g (0.16 lb) |
| including battery | 125 g (0.27 lb) |
| Color | Charcoal with silver |
