Round design Wireless Bluetooth Speakers are easy to pair with the digital devices via 2.1 Bluetooth and could offer you great sound. It features a carabiner hook could clip this awesome speaker onto school bags, purses and belt loops. Support TF/ USB, FM radio and talk via bluetooth. Working distance up to 10 meters. Rechargeable battery installed. It is made of quality ABS plastic. Includes 1 USB cable. Perfect for travel, office, picnic, camping, computer, home, outdoor events, entertainment and trade show. Custom logo available.