Manufactured from the Accuratus CA-BIO02-2023REV2 Bioplastic & FSC sourced bamboo 10 Metre wireless range 40mm drivers Bluetooth 5.0 connection USB-C port for charging (cable included) 450mAh lithium battery capacity Frequency response: 20Hz - 20KHz Signal-to-noise ratio:80dB Inbuilt microphone for call taking & voice assistant 15 hours listening time, 13 hours call time (when fully charged) 3.5mm jack for wired devices (cable included) Headset can recharge while in use Comfortable padded ear cushions Extendable silicon headband for comfort Can be folded for portability Volume adjustment Buttons for song switching, answering/rejecting calls, and ending calls The Accuratus wireless wheatgrass headset is an all-in-one piece, with impeccable sound quality, a built in microphone, and dedicated buttons for your every headset need. The rechargeable lithium battery offers an impressive 15 hours of listening time once fully charged, or 13 hours of call time. Designed for PC, MAC, & all Bluet