Features: WPC Qi compliant wireless charger allows to charge any Qi-enabled devices such as for Nokia 920, Nexus 4/5/7, HTC 8X, and so on. Adopts smart identification system while its transmitter and receiver unit adopts Uart (Universal asynchronous receiver/ transmitter) encrypted transmission control signal which is stipulated by Wpc. Over 70% high-efficient energy conversion. With ventilation holes at the bottom of the charging plate, good heat dissipation. With four anti-slip feet for stable and secure placement. Ultrathin, lightweight, fashionable design and crafted workmanship. Note: Please make sure the hungry device is put in the magnetic induction center and not askew when wirelessly charging.