Superior Sound Quility ---- Bluetooth wireless speaker has crisp and full-bodied sound with booming bass and HI fi 3D stereo sound. Built-in dual voice coil speaker and powerful driver provides clear sound and bass without distortion. p> Perfect Gift Idea: Its portability and beautiful look make it a really creative gift idea. It is a great and unique gift item for families, kids, friends in special days such as Birthday, Christmas and New Year's day. Portable Wireless Bluetooth Speake ---- The lithium-ion battery lets you enjoy up to 8 hours of play time(4000mAh), rechargeable with USB power sources. Mobile Phone Wireless Charging Function---- This bluetooth speaker comes with 10w wireless charging and stand function. When using the wireless charging function, the Bluetooth Speaker needs to be plugged into the standard 2A data cable and the other end is plugged into the power supply to activate the wireless charging function.(Keep the Bluetooth speaker in a charging state) And make sure your phone can charge wirelessly. Various Output Mode----the Bluetooth speaker supports Bluetooth Connection, 3.5mm aux cable and high capacity TF card.You can enjoy music for multiple connection ways. Experience your music in full-bodied stereo realized through high-performance drivers. Portable and Versatile: Enjoy high definition stereo sound with impressive volume whether you' re lounging, partying, camping, hiking or biking. Size: 5.2*5*5 inch. This Bluetooth speaker also has clock and alarm functions. Put it in the bedroom, you can conveniently enjoy the wonderful music before getting up or going to bed. Color:Pink Portable Wireless Bluetooth Speaker Audio Output Power:8W(RSM) Wireless Charging Voltage:5V-9V Frequency Response Range:50HZ-20KHZ Bluetooth Vesion:Jieli5.0+ Frequency:2402-2480GHz p> Receicve Range:5-15M Voltage and CurrentDC4.8-5V800mAh