Material: Plastic. Battery Type: 500 mAh, Lithium-Polymer. Design: Contrast, Printed, Text. 85dB. Battery Life (Approx): 24hrs. 10 Meters Working Range, 2 Hours Charging Time, 2 Sound Settings, 3.5mm Audio Jack, 40mm Speaker, Adjustable Headband, Bluetooth 5.1, Bluetooth Protocols: A2DP/AVRCP/HFP, Built In Microphone, Built in Rechargeable Battery, Foldable, IC solution: JL AC6956, Lightweight, Sound Safe Volume Settings, Swivel. Durable, Flexible. Connections: USB Type-C. 100% Officially Licensed. Compatible with 2DS, DS XL, iPad, IPod, Nintendo Switch, Tablet, Xbox. Suitable for: Ages 3+. Please Note: Buttons & Microphones Are Deactivated When Wired. Resistance (Ohms): 32. Contents: 1 Aux Cable, 1 Information Leaflet, 1 USB Cable. Conforms to Safety Standard: CE Certified, EN 50419, UKCA. Characters: Optimus Prime. Ref: UTOH118