General description The 10 Pcs Battery Holder Case Cover Shell is designed for use with 2 AAA batteries, making it ideal for various DIY projects and microbit development boards. Each holder is made from durable plastic and features a PH2.0 interface for easy connectivity. Technical specifications Battery type: 2 pcs AAA batteries Interface: PH2.0 Color: Black Material: Plastic Cable length: About 14 cm / 5.5 inch Measurement allowed error: +/- 1-3 cm Package Contents 10 x Battery Case Holder Other information