Rizo Battery 300MAH: Dimensions: 62.7mm x 34mm x 14.8mm. Battery: Built-in 300mAh. Voltage Output: 2.8V (L) -3.3V (H). Materials: Aluminum, zinc alloy, PC, silicone. Standard 510 thread. Dual-heat slide switch. Inhale activation. Haptic feedback. Drop-in magnetic connection. 3-bar LED indicator. Type-C charging. Includes: 1 x Rizo Battery. 1 x User Manual. 1 x Type C Cable.