Volkano Race Series Wireless Bluetooth Stereo Earphones Black (VK-1008-BK) Sold as 1 Each. Comfortable-wearing earbuds for all-day use. Rechargeable battery for an efficient operation. Safety Data Sheet. Bluetooth wireless, so you'll enjoy freedom of movement with up to 33' range. 100mAh battery features up to 3 hours of playtime. WARNING: : This Product can expose you to chemicals including polyvinyl chloride which is known to the State of California to cause cancer and reproductive harm. For more information, go to: www.P65 WARNING: s.ca.gov. Bluetooth 4.2 prolongs battery life. Package includes: three earbud cap sizes, Micro-USB charging cable, instruction manual. Their 13mm drivers are tailored for comfort and render detailed powerful sound.