Battery: Lithium Battery 1450mAh(Included). Motor: Coreless Motor. Feature: 1. Item Type: Wireless Tattoo Machine Pen. Machine with Wireless Power Size: Approx. 133.5 x 33mm / 5.3 x 1.3in. Structure: Integrated lithium battery pen structure, built in lithium battery, battery parts can be detachable.
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