Bluetooth 5.0 ChipSmart Bracelet Chipset:IS2806(BLE5.0),Heart rate and blood pressure chipset:HRS3300,G-SENSOR:SC7A20,HEADPHONE CPU :RTL 8753BFR Music PlayingBluetooth Headphones Can be Charged in the watch band on your twist thus poses great portability.The Watch Buit in 128M Memory, That Means You Can Put the Music From PC to the Watch and the Watch Can Play Music Independently Without Connecting to Bluetooth Device. HIFI 6D Sound QualityDouble Layer Biological Diaphragm Sound,No Distortion,HIFI 6D Sound Quality TWS Bluetooth HeadphoneTWS Bluetooth Headphone Ingenious storage In the side of the Watch.it can be charged in the watch band on your twist thus poses great portability. Professional Recording ChipThe Noise Reduction Function of Intellignet IC Can Reduce the Noise of Sound Source in the Process of Recording Some of Them Are Effectively Filtered to Make the Voice Clear and Prominent. Large Capacity BatteryIS2806(BLE 5.0)AND RTL8753BFR Chip Are Used UItra Low Power intelligent algorithm,Long Battery Standy Utility FunctionHealth alarm,Recording Pen,Body thermometer ,stopwatch, remote control of music and cameras, weather report, sedentary reminder, and other practical functions to meet your daily needs. More functions waiting for you to explore. Support Bluetooth CallEquipped With High Sensitive Micphone,independengt High Fidelity Audio And Call Quality Bring You Super Convenient call experience,Ring Tone Reminder No Missed Calls,Free Hands,Free Communication. Massive online Dial SwitchingA Variety of online dial page, You Can download Dial Page on APP.Dial page changeable the unique style you like.