Kwan Shing Marco Li

J-Thermo is an thermometer that plugs into audio jack of your iPhone/iPad. Features:-Plug and Play!

BLE Thermo-Hygrometer measures real-time indoor temperature, humidity and an optional probe temperat

Sync date, time, alarms and more settings of your wall clock remotely via Bluetooth Low Energy. No m

J-TH is a thermo-hygrometer that plugs into audio jack of your iPhone/iPad. Features:-Plug and Play!

J-UV is an UV index meter that plugs into audio jack of your iPhone/iPad. Features:-Plug and Play! N