Durable and wear-resistant: metal shell material, durable, impact and wear-resistant. Advertising screen: 10.1 inch/ 1280*800px advertising screen, remote playback of ads. Versatility: There is a cable design on the back, and 4G+WIFI supports global networks. High-quality battery: The same battery supplier as Huawei and iPhone to ensure stable and reliable charging. Automatic cable management: The design of automatic cable storage slot makes cable arrangement easy and fast. Multi-interface compatibility: The built-in micro USB and type-c data cable can meet the charging needs of a variety of mobile phone models, which is convenient and efficient. Anti-theft: The Hall anti-theft detection system is added at both ends of the charging treasure to effectively prevent people from returning the charging treasure without authorization. Explosion-proof damage: The use of electronic locks for strong reinforcement, to prevent human factors from violent damage, to avoid accidents such as explosions. Safety: Built-in multiple safety protection circuits such as overcharge, overdischarge and short circuit protection Widely used scenes: rooms, restaurants, bars, airports, shopping malls, KTV, movie theaters, scenic spots, etc.