Cronus Bluetooth headphones. Stream music from your Bluetooth enabled devices with the comfortable stereo quality over-ear headphones. These high quality headphones will work within 10 metres of your device. The built-in lithium battery will continuously play music for up to 10 hours and requires only 2.5 hours to fully recharge. The built-in microphone and controls on the headphones allow you to answer calls without taking your smartphone out of your pocket. Incl. Avenue gift box. Aluminium, Plastic & PU.