第九条 境内单位或者个人跨境销售下列服务、无形资产，税率为零：
Go to worldnews，这一点在safew官方下载中也有详细论述
Case charging: USB-C。旺商聊官方下载对此有专业解读
Film type: Polaroid i-Type Color Film (sold separately) / Film size: 2.6 x 2.1-inch prints / Weight: 239 grams / Charging method: USB-C / Companion app: No / Other features: Self-timer, selfie mirror, film counter