Color : Black Speaker Type : Portable Speaker Bluetooth Speaker No. of Speakers : 1 Sound Output Power (RMS) : 10 Watts Sound System : Stereo Connectivity : Bluetooth Volume Control : Yes Convenience : Size-defying sound; Double-mode (2 x Mono) and Stereo-mode (left & right pairing); Convenient One-touch listening technology; Handsfree Calling; Digital Amplification Warranty : 1 year