Garadise BS01 Curve Cube Wireless Bluetooth Speaker with 5W Drive & Super Deep Bass, Silver Chrome Built in microphone with hands-free technology; Bluetooth 4.0 + CSR Clear sound with deep bass with 5w speaker driver; high-end zinc metal with electroplating and uv finish One Bluetooth speaker can pair with two playback devices at the same time 40Ft Bluetooth wireless range; 8 hours playback time in Bluetooth mode; 3 hours charging time Package content: garadise portable Bluetooth speaker, micro USB cable, 3.5mm audio cable, instructional manual