1 🚀 产品观察 TechCrunch 2026-08-02 💬 This $9 key physically locks your most addictive apps 9美元实体钥匙，物理隔绝手机成瘾应用，比竞品便宜一大截 This $9 NFC key requires you to physically scan it to unlock distracting apps on your phone. 防沉迷 物理锁 智能硬件 效率工具 手机管理