Our company is interested in buying iPhone 4 (16 or 32 GB) and specification are below; iPhone 4 Technical Specifications: Memory Size: 16 Or 32 GB Size and Weight1; Height: 4.5 inches (115.2 mm) Width: 2.31 inches (58.6 mm) Depth: 0.37 inch (9.3 mm) Weight: 4.8 ounces (137 grams) Cellular and Wireless: GSM model: UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz) CDMA model: CDMA EV-DO Rev. A (800, 1900 MHz) 802.11b/g/n Wi-Fi (802.11n 2.4GHz only) Bluetooth 2.1 + EDR wireless technology Location: Assisted GPS Digital compass Wi-Fi Cellular Power and Battery2: Built-in rechargeable lithium-ion battery Charging via USB to computer system or power adapter Talk time: Up to 7 hours on 3G Up to 14 hours on 2G (GSM model only) Standby time: Up to 300 hours Internet use: Up to 6 hours on 3G Up to 10 hours on Wi-Fi Mac system requirements: Mac computer with USB 2.0 port Mac OS X v10.5.8 or later iTunes 10.1 or later (free download) iTunes Store account Internet access Windows system requirements: PC with USB 2.0 port Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later iTunes 10.1 or later (free download) iTunes Store account Internet access Capacity3: 16GB or 32GB flash drive Color: White or black Display: Retina display 3.5-inch (diagonal) widescreen Multi-Touch display 960-by-640-pixel resolution at 326 ppi 800:1 contrast ratio (typical) 500 cd/m2 max brightness (typical) Fingerprint-resistant oleophobic coating on front and back Support for display of multiple languages and characters simultaneously. If you think your quotation can meet our company's expectation then please send your best quotations with cheapest price to us and also inform your preferred payment mode and delivery time. Only the established companies are requested to contact us for further discussion. Thanks in advance. Show More