Headphones are equipped with Bluetooth technology to connect wirelesslyto devices with the same technology (mobile phones, smartphones, tablets,laptops, PCs, etc.). Before connecting, make sure that the device you want toconnect the headset is compatible with Bluetooth V3.0 and supports Bluetoothheadset and A2DP profiles. Headphones have a built-in microphone. They havea volume control, scrolling melody, pause, ability to receive calls. Foldable, veryeasy to handle.Product features:• Bluetooth – listen music wirelessly from your mobile device• microSD card reader – listen music from microSD cards• FM radio – your favourite radio stations• Line-in – connect headphoneS to your smartphoneor laptop by mini jack cable• Foldable – easy to carry• Built-in microphone for handsfree talking• USB charging cable includedTechnical parameters:• Bluetooth v3.0• Support HFP1.6, A2DP1.2 and AVRCP1.4• Distance: up to 10m• Standby time: up to 100 hours• Playing music time: up to 8 hours• Battery: 400mAh• Charging time: 2 hours• Weight: 150g