Color custom10000 RAM 1GB ROM 8GB Brand Lenovo Model S660 Quantity 1 Set Material Plastic Shade Of Color Gray Networking WCDMAGSM Frequency GSM 900 / 1800/1900MHz WCDMA 2100MHz Data Transfer GPRSEDGE SIM Type Ordinary SIM SIM Slot 2 Network Standby Dual Network Standby Network Conversation One-Party Conversation Only GPS Yes Wi-Fi IEEE 802.11 b / n / g Type Brand New Operating System Android 4.2 CPU Processor MT6582 1331MHz CPU Type Quad-Core Language English simplified Chinese traditional Chinese Graphics Processor Mali-400 Memory Card Support TF Card up to 32GB (not included) Screen Size 4.7 inch Size Range 4.5-4.9 Inches Touch Screen Capacitive Screen Screen Resolution 960 x 540 Camera 8.0 MP Secondary Camera Lens 1.6 MP Flash Yes Battery Capacity 3000 mAh Battery Type Li-ion battery Talk Time 2024 minutes Standby Time 646 Hour Bluetooth Version V2.0 TV No Radio Tuner Yes waterproof level OthersNO Sensor G-sensorproximityOthersThe light sensor I/O Interface Micro USB3.5mmSIM Slot Software Browser Calculator Calendar Camera Clock Email File manager Radio. etc. Packing List 1 x Phone 1 x Lithium battery 1 x AC power charger adapter (US plug / input: AC 100~240V 50/60Hz 0.3A / output: DC 5V 1500mA) 1 x USB cable (115cm) 1 x Earphones 1 x Chinese user manual