We can only guarantee S2 Wristbands sold by Tapcash INC. If it is not sold by Tapcash INC and shipped by Amazon, it is not warranted and is a lower quality counterfeit. For guaranteed quality and service make sure you select sold by Tapcash INC. How to Work? 1. Download the Smart Wristband 2 on App Store or Google Play Store, or scan QR code in the user manual to download. 2. Activate the Bluetooth on your phone to get paired. 3. Sign up and set your profile. REMEMBER to adjust your Stride and switch Unit from Metric to US, then sync to band to make pedometer more accurate. 4. Go to Setting and enable any function you need. Simple and Easy! 5. Start tracking your activities with S2 wristband. All data will be synced to Smart App when you visit dashboard (Except for Sleeping patterns, you need to manually sync the data to the app by clicking on the circle and check data on the Trend). Basic Parameters: CPU: BT V4.0 BL Display: 0.96 inch, 64*128 Material: TPU high grade Waterproof rating: IP67 Data Sync: BT 4.0 Full charging time: 1-2 hours Data storage: 7 days Charging: 5V USB jack, charge by PC USB OS requirements: iOS 7.0+, Android 4.3+ Compatibility: Phones android and iOS based
Brand : BUENAVO