APPLE iWatch Series 2, 38mm standard

Generation2 ,Single header

• 38.6 x 33.3 x 11.4 mm (1.52 x 1.31 x 0.45 in
• Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
• OLED capacitive touchscreen, 16M colors
• 340 x 272 pixels (~290 ppi density)
• Sapphire crystal glass, 3D Touch display
• Wi-Fi 802.11 b/g/n, Bluetooth: 4.0, A2DP
• Accelerometer, gyro, heart rate
• 18 hours Battery Life