家里用这样的
https://smile.amazon.com/gp/product/B000EEHN9S/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
出门用这样的
https://smile.amazon.com/dp/B0006NDF76/ref=psdc_11965921_t3_B01F8UUDJY
https://smile.amazon.com/dp/B0002GFQ1K/ref=psdc_11965921_t3_B0006NDF76
这个兼顾二者,但都不理想
https://smile.amazon.com/dp/B003LTJ404/ref=psdc_11965921_t1_B01F8VPQKO