Apple Watch Nike+ Series 2 - 42 mm - space gray aluminum - smart watch with Nike sport band - fluoroelastomer - balck/volt - band size: S/M/L - Wi-Fi, Bluetooth - 1.21 oz

Key Features and Benefits: S2 dual-core processor Built-in GPS Water resistant 50 meters Ion-X glass 2x brighter OLED retina display with force touch (1000 nits) Ceramic back Digital crown Heart rate sensor, accelerometer, and gyroscope Ambient light sensor Direct fire speaker and microphone Wi-Fi (802.11b/g/n 2.4GHz) Bluetooth 4.0 Long-lasting battery life watchOS 3