The water-resistant depth rating indicates how effectively the unit is guarded in opposition to h2o ingress and drinking water force. Equipment which can endure extra water pressure are much better for swimming or diving. 我们认为重量越轻越好，因为更轻的设备其携带舒适性就越高。家用电器的重量较轻也是优势，因为这样就能更轻松地进行运输。对于许多其他产品也是如此。 Charging speeds are expr... https://joshuav109kvi2.popup-blog.com/profile