The Wotofo NexBar 10K Kit is a vape device with a battery and an e-juice level display, and it is rechargeable. It contains 20ml of 5% NicSalts e-Liquid and can provide up to 10,000 puffs. The battery and e-juice display allow you to track the real-time status of the device. Additionally, it comes with a rechargeable Type-C port at the bottom of the device, ensuring that you can use up the last drop of e-Liquid in the tank every time.