This product is either discontinued or we cannot get that from suppliers.
Jabra BlueParrott 204165 B550-XT Bluetooth Headset, Speaker Frequency: 150Hz~6800Hz, 36mm Speaker, Microphone Response 150-6800 Hz, Microphone Sensitivity -47dBV/Pa, BT 5 +EDR, Operating Up to 100m, Talk Time Up to 24 Hours, Standby Time 400+ Hours, Battery 380mA (Headset), Charging Time 3.5 Hours, Customisable Parrott Button, Voice Controlled Calls.
The BlueParrott B550-XT Headset blocks out 96 percent of background noise, giving your conversations the quality you’ve been looking for and ensuring that you’re heard no matter what type of high-noise environment you’re in. With up to 24 hours talk time, and 400 hours of standby time.