<p><b>Specification:</b></p><p>Wheel Size: 6.5" Tire</p><p>Charging Time: 3-5 Hours</p><p>Using Time: 30-40 Minutes</p><p>Range of Rider's Weight: 20~90KG(44-200LBS)</p><p>Weight Range for Best Experience: 20~70KG(44-154LBS)</p><p><b>Package Contains:</b></p><p>1 x Two-Wheels Hoverboard</p><p>1 x Hoverboard Charger</p><p>1 x User's Manual</p><p><b>NOTES:</b></p><p>▶Please fully charge before using for the first time. Pull the plug after charging to avoid overcharging.</p><p>▶Remember that the range of motion should not be too large, as far as possible to avoid excessive tilt.</p><p>▶Children should be accompanied under the guardianship of an adult, and the speed should not be too fast.</p><p>▶DO NOT swerve at high speed.</p><p>▶DO NOT start or stop operation on a slope, as to avoid damaging the self-balacning system or causing function errors.</p><p>▶DO NOT operate the hoverboard when the ""BATTERY LOW"" indicator on.</p><p><b>STEPS TO CONNECT BLUETOOTH:</b></p><p>1.Turn on your phone's bluetooth;</p><p>2.Start the hoverboard;</p><p>3.Find the corresponding device which named as ""Bluetooth"" and click connect.</p><p>You will hear a sound like ""Ding-dong"" from the hoverbaord.</p><p>Then you can open the music app and enjoy music. And the volume can be changed by adjusting the volume of your phone.</p><p><b>HOW TO RESET:</b></p><p>1. Turn off your hoverboard.</p><p>2. Place your hoverboard on the ground, make sure your hoverboard is not tilting in any direction and calibrate balance in a horizontal level.</p><p>3. Hold down the power button for at least 20 seconds.</p><p>4. Power off the hoverboard and turn it back on.</p><p>Please try resetting your hoverboard again if the first attempt did not solve the issue.</p>