Harman Kardon One Portable Bluetooth Speaker Black (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The resulting product includes all relevant accessories, comes with a minimum 90-day warranty, and may arrive in a generic box. Only sellers who meet a high performance bar may offer Certified Refurbished products on Amazon.com Wirelessly stream high-quality sound from your smartphone or tablet Take calls from your speaker with a touch of a button - crystal clear thanks to the noise and echo cancelling speakerphone Rechargeable 2,000 mAh lithium-ion polymer battery provides sustained power for extended listening HTC Connect technology quickly connects your compatible device for music streaming. Enjoy robust audio wherever you go. Lightweight design offers easy portability