Overview:The main function: Heart rate, blood pressure, pedometer, distance counting, calories, mileage, shade to make phone take a photo, sleep monitoring, alarm, anti-lost, Message alert, and push, etc.Specification: Hardware parameter:BLE chipset manufacturer: MCUBEBLE chipset model: MXD2657BCompatible System: Android，iOSFLASH memory: 1M Byte and 128MB for MusicType: TFTScreen size: 1.4 inch TFTResolution: 240*240Touch Type: Single touchBracelet parameter: Bluetooth: 4.2 Battery Type: Li LithiumCapacity: 220 mAhCharging Method: USB magneticCharging time: About one hourCharging current: 1AUse time and standby time:( If use bracelet only: Standby 7 days, use 4 days)Bracelet Language: English, Chinese, Spanish, French, Russian, Arabic etc.APP language: English, Chinese, Spanish, French, Portuguese, Dutch, German, RussiaEarbuds parameter: Earbud chips manufacturer: BluetrumEarbud chips model: AB5376ABT version: 5.0 Incoming calls: Double click to answer the phone call( earbud could work independently)Music: Dual earbuds: stereo, Single earbud: single channelAverage power consumption: 8-10mA（low power consumption）Earbud battery capacity: 25 mAhCharging mode: In the cabinet of the smartwatchPower on/off: Long press 3 seconds to power on/off. Taken out from cabinet to power on; put back to the cabinet to power offDouble click: Answer or reject phone callPlay or pause when playing music4 consecutive clicking: Enable Siri of connected iPhone or Android AIIf the earbuds connected with the device already: Taken out auto-connect with the device, put back auto power offMP3 Playing:Connect and play: Earbuds will automatically connect with the smartwatch when it goes into the music playing option. And earbuds must disconnect with the smartphone.Package Content: 1 x Bracelet 1 x Bluetooth Earbuds