Features 1.Cartoon Earphones: IP co-branded cartoon earphones cute cartoons and bright color design can give kids happiness a gift for them on birthdays children's day etc. 2.Comfortable And Portable: Foldable children's headset easy to store soft padding adjustable headband suitable for children but also suitable for most adults to wear. 3.Safe Volume Level: Over ear headphones to ensure the safe listening volume level of children protect children's ears ideal headphones for school homework or travel. 4.Wired And Wireless Mode: The Bluetooth headset comes with a 3.5mm/0.1in audio cable compatible for iOS tablet PC etc with a built in microphone for easy hands free calls. 5.Multi Function Button: In Bluetooth mode the multi function button can easily control the headset and realize functions such as music playback hands free call and volume control. 6.Stereo: Built in 40mm driver fully balanced stereo memory card slot design allowing children to insert the downloaded music into the memory card and enjoy music anytime anywhere. Specification Item Type: HeadsetMaterial: ABS + Silicone + PUSpeaker: Approx. 40mm/1.5inColor: GreenModel: BenBluetooth Version: 5.0Transmission Distance: 15m/49.2ftFrequency: 20Hz-20kHzBattery Type: Built in 200mAh Lithium Battery (Included)Working Time: 4-6 HoursCharging Time: 2 HoursScope of Application: Suitable for Mobile Phone Tablet PC Laptop Package List 1 x Children's Headset1 x 3.5mm Audio Cable1 x Data Line Note Manual measurement please allow some errors.