Epson WorkForce WF-100 Wireless Mobile Printer, Amazon Dash Replenishment Enabled Print from iPad, iPhone, tablets and smartphones Easy battery charging - via USB or AC adapter Easy battery charging - via USB or AC adapter Built-in, rechargeable lithium-ion battery. Network Management Protocols : SNMP, HTTP, DHCP, APIPA, DDNS, mDNS, SLP, WSD, LLTD, Ping Print pro-quality documents and photos on the go Never run out of ink again - Printer features Amazon Dash Replenishment which, after activation, keeps track of your ink usage and orders more from Amazon when you are running low.