Senders Bluetooth Speaker, Mini HiFi Speaker with Alarm Functions and LED Display,Enhanced Bass Wireless Bluetooth Speaker Stereo System Speaker Clock Kit with Alarm Functions and LED Display Built in battery rechargeable,Playing time: 3.5-6 hours Bluetooth remote control 10M (33 ft - no obstacles such as door , wall) Portable Bluetooth Speaker, micro USB cable, 3.5mm audio cable Incredible sound quality surprising enhanced bass