(Management number m0088wtpj) New, Unused 77Y99AA HP 77Y99A Poly Voyager 4320 USB-A with dongle and charging stand, dual-ear wireless model, noise-canceling microphone ▼ Dual-ear wireless headset with charging stand ▼ Connects to PCs and Macs via USB-A BT700 dongle, and to mobile phones via Bluetooth ▼ Acoustic Fence Technology cuts out surrounding noise ▼ Equipped with directional noise-canceling microphone ▼ Supports high frequencies up to 20Hz-20000Hz ▼ Maximum continuous talk time: 24 hours ▼ Maximum audio playback time: 47 hours ▼ 15-minute quick charge provides up to 10 hours of audio playback ▼ Can be used wired with the charging cable ▼ Luxurious leatherette specifications ▼ 2-year warranty ▼ Included items: dedicated pouch, USB-A BT700 dongle, 1.5m charging cable, charging stand, user guide - Brand: poly - Model name: VOYAGER 4320 UC