I have five questions regarding the following 5G jammer

I have five questions regarding the following jammer: NEW 10 band handheld 2G 3G 4G 5G jammer WIFI 2.4G/5.8G GPS L1 with band control switch blocker https://www.jammer4uk.com/product/new-10-band-handheld-2g-3g-4g-5g-jammer-wifi-2-4g-5-8g-gps-l1-with-band-control-switch-blocker 1. Can the battery be taken out / replaced? Yes, but now only one battery built in. 2. Can the jammer run only on the AC charger and […]