The Qi Wireless Charging Receiver is universal. The most efficient way to add wireless charging feature by piggybacking it on the battery of the phone, it works well with any Qi-enabled charger. Ultrathin design, compact and light weight without increasing additional weight of the phone. Adding wireless charging feature by piggybacking it on the battery of phone, it works well with any Qi-enabled charger. Easy to use. The receiver can be attached to the the battery all the time, and it would not interrupt the normal use of the phone. Specifications:                                                  1. Input:5V, 1.5A 2. Output:5V, 1A 3. Transmission distance: Vertical 3-7m 4. Charging efficiency:≥76% 5. Executive Standard: QI wireless charging standard 6.weight:168g 7.Color: Black   Note: 1.The wireless charger can be used for all Qi-abled device. 2.Some mobiles phones must be equipped with a Qi receiver to be charged wirelessly.(Please read the description carefully) The new portable Qi-abled wireless charger pad can be used for QI standard receiver. For Qi-marked devices, you just need to put them on the wireless charger pad, it will work well, and for some other without Qi mark, you need a wireless charge receiver for your phone Package includes:                                           1 * Qi wireless charging pad 1 * USB cable 1 * User manual