Specifications: Color: Black / Gold / Silver (optional) Material: Metal Size: 250 * 40 * 11mm Memory: 128MB + 64MB Screen size: 1.54 inch IPS capacitive screen Screen resolution: 240 * 240 Battery: built-in 350mAh lithium battery Charging voltage: Micro USB interface TF card: Maximum support 32G Bluetooth version: 3.0 Bluetooth distance: 0 - 10 meters Support audio format: MP3 / AMR Support photo format: GIF / JPG Photo resolution: 240 * 240 (JPG format) SIM card: Support micro SIM card Network standard: GSM Network frequency: GSM 850 / 900/ 1800 / 1900 Supported languages: English / French / Spanish / Portuguese / Italian / German / Czech / Dutch / Hungarian / Turkish / Russian / Hebrew Built-in application: Bluetooth camera / File management / Bluetooth music / Information / Camera / Album / Bluetooth / Recording / Bluetooth dialer / Remote notification / Facebook / Twitter / QR code / Pedometer / Sedentary reminder / Mode setting / Sleep monitor / Browser / Calculator / Music player / Phone book / Calendar / Pphone dialer / Phoneall record / Setting / Finding of mobile phone Other features: Two-way anti-lost / Bluetooth phone APP compatible system: Support iOS7 and above and Android 4.3 and above Packing list: 1 x Smart watch 1 x Micro USB charging cable 1 x Chinese and English manual 1 x Plastic screen protective film