Forget about annoying cables and try the convenient Bluetooth audio receiver! This Bluetooth audio adapter can be used to establish a wireless connection between your Bluetooth device (tablets, smartphones...) and your speaker, headphones, sound system, car audio... to enjoy greater sound quality. Connect the Bluetooth receiver to the speaker, headphones or sound system via the 3.5 mm built-in cable, press the ON button of the adapter and establish the Bluetooth connection with the appropriate device. It's that easy! Approx. measures: 5 x 3.5 x 0.8 cm. Bluetooth 2.0, Approx. range of 10 m, rechargeable battery (charging cable included). Compatible with audio systems with 3.5 mm connection.