Introducing the K2 from Aspire. An economic and convenient tobacco alternative. The K2 brings you an open source tank and battery system that is reusable and rechargeable and best of all the K2`s tank is refillable. So you`re never limited when it comes to flavor,a black battery with the black tank and the pink battery with the silver tank! Features: 1. 800mAh battery capacity 2. 1.8ml glass tank 3. Compatible with K1 BVC coils 4. Carbon fiber design 5. Micro USB charging port 6. 510 thread Vapor Edge carries the K3 & K4 Starter Kits for your choices. Brand: Aspire Unit: 1 set Size: Height 136mm; Diameter 15mm Color: Black/Pink Tank capacity: 1.8ml Battery capacity: 800mAh Resistance: 1.6ohm Threading: 510 Shipping weight: 205g Package: Gift box