product description:product features: *new upgraded gamepad, suppot direct-play mode, connect &play , easy to operate, no activation, no app needed.?system requirements: support for android systems above 6.0 , ios systems above 11.0? *support playing games on bt enabled android/ios smart phone /tablets,pc , smart tv ,win 7/8/10 systems, also support 2.4g wireless connection with pc computers. *design with telescopic phone stand?extend maximum size ?80mm) *ergonomic structure, comfortable hand feeling. electrical parameters: *model no.: pg-9090 *working current: <20ma *static current: <35ua *battery capacity: 300mah *working voltage: dc 3.7v *continous gameplay time: >10 hours *charging voltage/current: dc 5v/300ma *standby time: up to 30 days once fully charged