Adding wireless charging feature by piggybacking it on the battery of Mobile phone, it works well with any Qi-enabled charger. The receiver can be attached to the battery all the time, and it would not interrupt the normal use of the Mobile phone Other Ultra-slim design of 0.8mm; Concise and portable; Convenient to use, and great for charging your devices; QI standard; Input voltage: 5V, Output current: 6500mA; Adding wireless charging feature by piggy backing it on the battery of Mobile phone, it works well with any Qi-enabled charger; The receiver can be attached to the battery all the time, and it would not interrupt the normal use of the Mobile phone