Headphone Adapter Dual Port Splitter for Phone Earphone Dual Port Aux Audio Adapter 2G: GSM 850 / 900 / 1800 / 1900, 3G: UMTS850 (B5), UMTS900 (B8), UMTS2100 (B1) , 4G: LTE2100 (B1), LTE1800 (B3), LTE2600 (B7), LTE900 (B8), LTE800 (B20) 5-inch IPS LCD Multi-Touchscreen w/ ClearBlack display & Protective Corning Gorilla Glass 3 Microsoft Windows Phone 8.1 with Lumia Denim, Quad-Core 1.2 GHz Cortex-A7 Processor, Chipset: Qualcomm MSM8926 Snapdragon 4 8 Megapixel Camera w/ Autofocus & LED Flash + Front-Facing Camera