Nokia Lumia 710, Black 8GB (T-Mobile) 3.7-inch LCD display Runs Windows Phone 7.5 (Mango) OS; 1.4 GHz processor; 8 GB memory; Wi-Fi networking; access to T-Mobile TV service; Affordable, easy-to-use 4G-enabled Windows Phone 7 smartphone 5-MP camera with HD 720p video; Bluetooth stereo music; GPS navigation with Nokia Drive turn-by-turn directions Up to 7 hours of talk time, up to 384 hours (16 days) of standby time; released in January, 2012 What's in the Box: handset, rechargeable battery, charger, USB cable, quick start guide Affordable, easy-to-use 4G-enabled Windows Phone 7 smartphone with 3.7-inch touchscreen Runs Windows Phone 7.5 (Mango) OS; 1.4 GHz processor; 8 GB memory; Wi-Fi networking; access to T-Mobile TV service 5-MP camera with HD 720p video; Bluetooth stereo music; GPS navigation with Nokia Drive turn-by-turn directions Up to 7 hours of talk time, up to 384 hours (16 days) of standby time; released in January, 2012 What's in the Box: handset, rechargeable battery, charger, USB cable, quick start guide