Wireless Portable Bluetooth Speaker with microphone Super Bass Compatible with iPhone, iPad, HTC, Sony, FM Radio, Auxiliary input, Rechargeable battery Black. Elegant and stylish in cylinder lens design. Super Bass Speaker; Built-in lithium battery; With micro SD TF card slot. Bluetooth Version: V2.1; Working Range: Up to 10m (about 33 feet); Working Time: 5 hours; Charging Time: 1-2 hours;. Supports FM Radio. Battery Rechargeable.