Item Type: Graffiti BT HeadsetMaterial: ABSBattery Type: Built in 400mAh Li Ion Battery (Included)Memory Card: Supports Up to 32GB (Not Included)BT Version: BT 5.1Transmission Distance: Approx. 10m / 32.8ftFrequency Range: 20Hz-20KHzSpeaker Size: 40mm/1.6inImpedance: 32Package List1 x Graffiti BT Headset1 x Sound Cable1 x Charging Cable1[Bluetooth 5.1] With the latest Bluetooth 5.1 technology, the graffiti headphone provides you with the perfect connection to any Bluetooth compatible listening device. Fast and stable connection, with RGB light, for cell phones, tablets, PC, laptops. 2[Wired Or Wireless Mode] When the headset uses Bluetooth mode, long press the On Off button for about three seconds to turn on. With an additional detachable 3.5mm sound cable, you can also connect to any device with a 3.5mm headphone jack. 3[Stereo And Button Control] Over ear headphone offers stereo HiFi quality sound and powerful bass. Helps you enjoy your music better. The built in microphone and volume control let you answer calls and play and pause songs with the push of a button. 4[Soft And Comfortable] Bluetooth headset features padded ear cushions, super soft memory protein foam leather ear cups and headband for maximum comfort. However, we recommend that you remove the headset every 2 to 3 hours to allow your ears to relax. 5[Adjustable] This wireless headphone features an adjustable headband that is flexible enough to perfectly fit the shape of your head and is easy to store and carry. Easy to use anywhere, anytime. This is the ideal gift for kids, family and friends.