Feature:1. Strong Universality: Strong universality, suitable for WLtoys V911S, V977, V931, XK, K123, K124, K110, K110S, K100, X100, A110, A100, A120 RC helicopter.2. High Performance: Original replacement accessories, perfect fitting, fast charging speed, and high conversion efficiency.3. Lightweight and Easy to Carry: Can also be used as a backup or replacement charger to charge your RC helicopter when you go out. Lightweight and easy to carry.4. Charging Base and USB Cable Design: Independent charging base and USB charge cable design, easy to use and storage.5. Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time.Specification:Item Type: Charging Dock USB Cable ChargerWeight: Approx.22g / 0.8ozShell Material: PlasticColor: BlackCharger Size: Approx.39 x 34 x 15mm / 1.5 x 1.3 x 0.6inOutput Voltage: DC 5VApplicability: Suitable For WLtoys V911S, V977, V931, XK K123, K124, K110, K110S, K100, X100, A110, A100, A120 And Other Remote Control Helicopter Batteries Package List:1 x Charger 1 x Charging Cable