Logitech X300 Mobile Wireless Stereo Speaker, Copper Black (984-000392) (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all relevant accessories plus a 90 days limited hardware warranty. Powerful, go-anywhere sound: Deep bass response with detailed mid and high range in a compact design Wireless freedom: 30 ft. wireless connectivity to Bluetooth-enabled smartphones, tablets and notebooks Calls + control: Adjust volume and manage calls from the speaker or your mobile phone Extended playtime: Built-in rechargeable lithium-ion battery powers 5 hours of continuous music