The Braun Series 7 is not mentioned in the search results. However, there are other Braun electric shaver models available, such as the Series 9 Pro and Series 9. Here are some details about these models:
- Braun Series 9 Pro 9465cc : This electric shaver features a SmartCare Center, 100% waterproof design, and a powerful Li-Ion battery that lasts for 60 minutes of use with a 5-minute quick charge option
- Braun Series 9 9370cc : This model offers unparalleled efficiency with a gentle, close shave after every stroke and includes a Clean and Charge station for hygienic cleaning, charging, lubrication, and drying
- Braun Series 3 310s : This wet & dry electric shaver for men features a rechargeable battery and is available in blue color
- Braun Series 3 ProSkin 3000s : This electric shaver for men has a rechargeable battery and is available in black color
For information about the ingredients or materials used in Braun electric shavers, you may need to refer to the product manuals or contact the manufacturer directly.