Built in pure copper conductor, strong conductivity, faster and more stable transmission. Outer layer is wrapped with PVC environmental protection materials, which is safe, environmental friendly and durable.With an additional storage bag, razor and accessories can be stored, so it is easy to carry . It's very convenient to carry and save space when traveling. You can put the charging cable in the shaver storage box, which is not easy to forget, but also can quickly find it to charge your shaver. One end is USB interface, convenient to charge anywhere. USB can link computer, portable charger and power strip, so it is convenient to use it at home or outdoors. Compatible with Norelco HQ8505, 7000 7100 7200 7300 7400 7500 7600 7700 5000 5100 5200 5500 5600 5700 3000 3100 3500 4100 4200 4500 6100 8000X 8500X 8900 9300 9700 Series Shavers, most Norelco Aquatec, Arcitec and Multigroom Shavers, Razors and Trimmers. Compatible part numbers HQ8505 AT810/41 AT830 BT5210/42 BT7215/49 PT724/41 PT730/41 QG3364/42 QG3330 QG3330/60 QT4018/49 S7370/84 S9311/84 S9721/84 YS524/41 HQ-8505。 Compatible with Norelco 7000 / 5000 / 3000 Series, Grooming Kit Bodygroom, BeardTrimmer, Beard, SensoTouch, Precision, Spectra and Sensotec, SmartTouch XL & Speed XL, Quadra, Cool Skin, new generation Cool Skin, Style Shaver, PowerTouch, Hair Clipper, Arcitec. QG series, BG series, HQ series, RQ series, XL series, XLCC series, X series, HS series, QC series, QT series, QS series, AT series, PT series。