Feature:1. Use headphones in combination with a smartwatch, you can use it as a dedicated headset to receive and make calls directly.2. Ergonomic design, suitable for the ear canal will not fall easily even if you exercise, and it is easy to put on and take off, bringing you a comfortable and stable wearing experience.3. Effectively record all‑day activities, such as the number of steps, walking distance, calories burned and exercise patterns (cycling, running, mountaineering).4. It provides you with a new experience of smart wearable devices, combining wireless headsets, fitness activity trackers and healthy monitors together.5. Dedicated to improving sleep quality, and monitoring healthy management. It is an ideal choice for your daily activity tracking.Specification:Item Type: Earphone BraceletMaterial: Zinc alloy body + silicone strap Color: As Pictures Shown .Power supply: Built-in 80mAh lithium battery (shipped)Charging method: USB clip chargingWaterproof rating: IP54 daily waterproofCharging time: about 2 hoursDevice type: Smart bracelet + headsetThe main functions of the bracelet are: dial switching, step counting, distance, calories, exercise mode (cycling, running, climbing), healthy management, sleep mode, basic setting (time, alarm clock, hand lighting, screensaver time, Chinese and English language switching, contact book synchronization), shutdown interfaceBasic functions of headset: answer/reject incoming call.How to use:1. Check the instructions, open the bracelet and slide to state, and long press the touch screen for 3 seconds to open the bracelet's Bluetooth2. At this time, the of the phone is turned on. Search for the name of Y8 of the headphone bracelet and click the link.Please refer to the manual for details of specific functions.