Yealink WH64 DECT & Bluetooth Mono Teams Wireless Headset, 606 ft Range Single

606 Ft DECT&BT Headset : Dect & Bluetooth dual-mode wireless headset, enabling seamless plug-and-play applications in multi-devices (IP phone, PC, Cell phone). DECT Tech bring superior 606 ft long range, higher density, and safer calls. AI Noise-cancellation Headset: 3x noise cancelling mic and Acoustic Shield Tech 2.0, auto-block background noise. Advanced stereo tech delivers full dynamic sound quality, and achieves immersive & interactive communication. Extended Battery Life: Headset with DECT base offers extended talk time, Bluetooth mode-26H (mono), 32 H (dual), DECT mode-14H (mono), 16H (dual),1.5H fast charging time. On ear headset can perform energetically after a short break. Ergo Work Headphones: Ergonomically designed adjustable headband, nano breathable and soft material to minimize ear pressure. Visual busylight office phone headset ensures you stay focused on your conversation without interruptions. Part Desk Phone Compatible List--Connect via USB Cable, Yealink:T58W,T54W,T57W,T53,T44W,T34W,T43U,T46U,T48U,MP56/58/54; 3-Party Phone: GXP2170/2624; 8861; VVX350/401/411/450/600; J189; X5U, etc. Connect via EHS62 / Telephone Cable (Sold Separately) Yealink: T27G,T29G,T4XG; 3-Party Phone: VVX311/310/400/410/250; 8851,7962,6945,7821,6871; 6867i; 9608,9621G,J139/179/189 ;GRP2612P,GXP2135; X6U,etc. It is an new item, just open the box to check if include everything. The retail price is over $200.