Specification: Touch Screen: 0.96 TFT Screen. Bluetooth Version: BT 4.0 or above. Battery Capacity: 110mAh. Standby Time: about 360 hours. Using Time: about 160 hours. Charging Time: about 2 hours(Use a 5V USB adapter to charge at least 2 hours for full charging). Call Reminder: Support. SMS,Message Reminder: Support. Heart Rate Monitor: Support. Sedentary Reminder: Support. Sleep Monitor: Support. Activity Monitor(Step,Distance,Calories Measuring): Support. Remote Camera: Support. Alarm Alert: Support. Alert Type: Vibration. Water Resistance: IP 67 Waterproof,Support to swim,wash hands and shower. But don't bath in hot water and don't operate in water. Android Phone: Support Android 4.4 or above Phone. IOS Phone: Support IOS 8.0 or above Phone. APP Name: Yoho Sports. APP Language: Danish,Russian,Bulgarian,Hungarian,Indonesian,Turkish,Bengali,Greek,German,Italian,Norwegian.  Nynorsk,Czech,Slovak,Japanese,French,Polish,Thai,Swedish,Simplified Chinese,Traditional Chinese, Romanian,Finnish,English,Dutch,Portuguese,Spanish,Vietnamese,Malay. Dial Shape: Rectangle. Dial Case Material: Alloy. Dial Diameter: about 3.49 cm. Dial Thickness: about 1.17 cm. Watchband Width: about 2 cm. Watchband Length: about 20 cm. Watchband Material: TPU. Package Included: 1 X Smart Wristband. 1 X User Manual. Notice: Please install the apk/app firstly before purchase, in order to avoid not compatible with your phone. The picture is only for reference, please consider carefully before purchase.