Product Information Materials PC+ABS(charging dock),PVC(cable) Cable length 3.3 Ft / 100 CM / 1M Input voltage 5V=1A Output voltage 5V=0.5A Compatible Device: Fitbit Versa 2 Smartwatch 6000+ Bend Lifespan Can withstand up to 6,000 bends and is strong enough to withstand daily wear and tear. Safey and Durable Using Premium PVC, Insulation, and 28-AWG Wiring, it is not only durable but also safer. Gold-plated Charging pins The pins is designed in an oval shape,which is not easy to get stuck inside. Please note: We suggest to use computer,laptop,power bank or use 5V/1A adapter to charge,as excessive voltage can cause the charging cable to heat up.