YISON WS-8 Portable Bluetooth Speaker with Enhanced Bass and Stereo Sound, T W S, Bulti in Mic. Wireless Speaker Portable for Phone, iPad, Mac, Tablet. Product details: Bluetooth Chip: Bluetrum 5365A Bluetooth Version:V5.0 Battery Capacity:1200mAh Play Time:2-3H Charging Time:4H Drive Unit:52mm Range:10m Product Size:80*80*78mm imageimage