Bluetooth Adapter - external, Bluetooth 3.0, 3.5mm jack stereo connection, range: 10m The Fonterar BTX-3011 adapter lets you listen to your TV with Bluetooth headsets . It has a 3.5mm stereo audio output with 30cm cable and a USB connector for 5V DC charging. The range of the adapter is 10 m and the LED indicates the charging status. Lipo battery life is 10 ha and has a capacity of 120 mAh. Key features of the Fonterar BTX-3011 bluetooth adapterAdapter for listening to TV with Bluetooth headsetsAudio stereo output with 3.5mm and 5cm cableLED charging indicationCharging lithium battery Lipo with a capacity of 120 mAh and USB for chargingDimensions: 20 × 10 × 39 mm