SENHAI 2 Pack Replacement USB Charger/Data Transfer Cable Cord for Jawbone UP2 UP3 UP4 Smart Wristband-4 Inches, Gray Compatible Activity tracker type: Jawbone UP2 UP3 UP4 Smart wristband. Not compatible with the UP24. Compact and portable: Compact and lightweight with 10cm long, easy to carry. Replacement for lost or damaged cables. Multi-functions: Not only quick charging and data transfer but also waterproof; Note: This charger without reset function. Safe and durable design: Using TPE environmental material and it can be bent whatever position you want; IC chip that can protect the life of battery. Note: No Tracker include. This charging cable is not original Jawbone, but made special for Jawbone UP2/3/4.