Connectivity technology-Wireless Omnidirectional. Communication system-bluetooth version 4.1. Compatible bluetooth profiles-a2dp, avrcp, hfp, hsp

DESIGNED WITH KIDS IN MIND - Our Bluetooth headphones for kids consider that children keep growing, and come with adjustable headbands and earmuffs. This kids Bluetooth headphones will fit when the headphone is bought and when the child gets bigger that can be adjusted to give the perfect fit. The ear pads are soft and isolate noise. 5 FUNCTIONS IN 1 HEADPHONE - These kids wireless headphones are multi-functional. Bluetooth Music Receiver/Micro SD Player/FM Stereo Radio/ Bluetooth Talk/3.5mm Wired Mode/Instant Music Sharing with 3.5mm Cables(share music instantly via 3.5mm cables and issue commands to devices via Bluetooth Talk) COMFORTABLE - These kids wireless headphones are comfortable and can be used for hours without any strain on the ear. The headband can be adjusted to the length that is most comfortable. The earmuffs are made using leather material that is soft and skin-friendly. It holds firmly but gently on the ear lobes.