Sony SRS-X2/BLK Ultra Portable Bluetooth Speaker | Black (Certified Refurbished) Packing a 20 watt punch with stereo speakers housed in a bass-reflex design, this speaker system delivers rich and powerful sound. Take or make calls More than just a speaker, you can take advantage of hands-free calling via the built-in speakerphone at a push of a button. Stream your music wirelessly Stream and control your Bluetooth audio experience with your compatible music devices, digital music player, smartphone, tablet, or computer.One touch listening technology Enjoy simplified Bluetooth connectivity with NFC Near Field Communications (NFC) technology. Align and touch NFC logos in compatible devices to: power the speaker on, activate Bluetooth, pair devices, and stream music. When done, align and touch the NFC logos to disconnect. Wide Stereo Mode