BenQ-Siemens S81
Memory
| Internal | 30MB |
| Call records | 10 dialed, 10 received, 10 missed calls |
| Phonebook | Yes, Photo call |
| Card slot | microSD (dedicated slot) |
Main Camera
| Video | Yes |
| Features | LED flash |
| Single | 1.3 MP |
Selfie camera
| Video | |
| Single | VGA videocall camera |
Display
| Resolution | 176 x 220 pixels (~141 ppi density) |
| Size | 2.0 inches, 31 x 39 mm, 12.6 cm2 (~24.1% screen-to-body ratio) |
| Type | TFT, 256K colors |
Body
| SIM | Mini-SIM |
| Weight | 99 g (3.49 oz) |
| Dimensions | 109 x 48 x 13 mm (4.29 x 1.89 x 0.51 in) |
Battery
| Talk time | Up to 4 h 50 min |
| Stand-by | Up to 320 h |
| Type | Removable Li-Ion 920 mAh battery |
Sound
| 3.5mm jack | No |
| Alert types | Vibration; Downloadable polyphonic, MP3, AAC ringtones |
| Loudspeaker | No |
Features
MP3/AAC player Video telephony iTap Stopwatch Organizer | |
| Java | Yes, MIDP 2.0 |
| Games | Yes |
| Browser | WAP 2.0/xHTML |
| Messaging | SMS, MMS, Email |
| Sensors |
Misc
| Colors | Black/Silver |
Comms
| USB | Proprietary |
| Radio | No |
| GPS | No |
| Bluetooth | 1.1 |
| WLAN | No |
Launch
| Status | Discontinued |
| Announced | 2006, February |
Network
| Speed | Yes, 384 kbps |
| 3G bands | UMTS 2100 |
| 2G bands | GSM 900 / 1800 / 1900 |
| Technology |