Features 1、Using 5.5mm inner diameter jack, perfectly to meet your needs 2、Using high‑quality materials, strong and durable, has a long service life 3、Great workmanship, perfect replacement for the old one 4、Strict quality control and quality assurance, high safety factor, can be used with peace of mind 5、Small size, easy to carry and store, convenient to use and with good performance Specification Item Type: DC Power Socket Size: Approx. 5.5mm / 0.2in Model: DC-050 socket Operating Temperature Range: -30-70 (℃) Rated Load: 30/0.5 (VA) Insertion Force: 3～20(N) Lifespan: 5000 Rated Current: 0.5 (A) Scope of Application: for Bluetooth headset mobile phone intercom digital equipment Package List 20 x DC Power Socket