Ultra Portable Wireless Bluetooth Speaker EC Technology 6-10 Hours Playback time for Smartphones This Smart Charger charges up to 5 devices at once: 2 x 2.1A Smart Port and 3 x 1A Universal Port. 36W/7.2A output provides maximum speed to charge your mobile devices, tablet and other digital products. 2 x Smart Charging Port - Perfectly charge to each mobile device individually and simultaneously, automatically recognizing what you have plugged in with our micro smart chip. Say goodbye to electrical buzzing/whining noise and overheating. High-grade power adapter & PCB circuit board brings the smart charger maximize cooling performance. Compatible with 5V USB charged devices such as iPad, iPhone, Samsung tab, smartphone, external battery, bluetooth speaker, headset, and so on. Certified by RoHS, CE & FCC, with protections against over-charged, over-discharged, over-voltage, over-current and short-circuit. The high quality fire-proof material ensure reliability and durability.