Mitel Cordless DECT Headset & Charging Cradle #50005522 | Requires DECT Module (not included) | Mitel IP Phones: 5330, 5330e, 5340, 5340e, 5360, 5360e Bundle of 5 items - Cordless Headset, Charging Cradle, Headband, Earhook and Rechargeable Battery Original Factory items and accessories for Mitel phones: 5330, 5340 and 5360 2 wearing styles: Headband and Earwrap included 8 hours of continous talk time and 43 hours of standby, Battery recharge time of 3 hours or less NOTE: This headset will ONLY work on your Mitel phone if you already have the Mitel DECT module.