Dear professionals, the Nexus 5 looks like this, it'll cost from just US$350.

As you can imagine, progressively, our smartphones have to be useful as possible as, in terms of applications, specs, sensors, programs embarked.

Regarding the Nexus 5 (unofficial), its specs, especially sensors:
 Gyroscope, Compass, Proximity/Ambient   Light, Pressure, and NFC, can participate to blossoming of professionals.

Others Specs include:
- 4.95" 1080p display (IPS TFT for those interested)

- 32GB internal storage (other capacities not specified)
- 2GB RAM
- MSM8974 aka Snapdragon 800 at 2.3GHz
- 8MP OIS rear camera, 1.3MP front camera
- 2300mAh battery
- Slimport compatibility
- Micro SIM slot
- Notification light
- Wireless charging
- Bluetooth 3.0 (We assume this is an error – Bluetooth 4.0 appears elsewhere in the document, but according to the last page it's still a draft.)
- UMTS/GSM/CDMA/LTE compatibility