Overview Yealink BH74 Bluetooth wireless on-ear headset.Part number: 1208682.Teams USB-C/A configuration with charging stand.Designed for professional voice communications and audio playback. Key Features Hybrid active noise cancellation.Microsoft Teams Premium Open Office certification.Native Bluetooth Microsoft Teams certification.Adaptive EQ and auto-wear detection.Dual busylights.Up to 32 hours of talk time with busylights off.Wireless range up to 50 m / 160 ft. Specifications Bluetooth version: 5.3.Simultaneous Bluetooth connections: 2.Multiple-device pairing: Up to 8 devices.Microphones: 6.Microphone frequency response: 100 Hz to 10 kHz.Speaker size: 30 mm.Speaker frequency response: 20 Hz to 20 kHz.Connections: BT51C USB-C/A adapter, USB cable, or native Bluetooth. Physical and Electrical Features Wearing style: On-ear.Headset weight: 152 g.Battery type: Rechargeable lithium-ion.Battery capacity: 500 mAh.Music time: Up to 65 hours with ANC off.Standby time: Up to 20 days.Charging time: Up to 90 minutes. Shipping Handling time is up to 2 business days. Orders often ship sooner. Orders are not shipped on weekends or holidays. The seller selects an appropriate tracked carrier. Carrier or high-volume delays may occur. Returns Returns are accepted according to the return period and conditions displayed in this listing. The item must be returned in the same condition received and with the same serial number when applicable. Product data and volume orders Product details are based on verified manufacturer or authorized supplier information and may change without notice. For bulk quantities or project pricing, contact us through Messages to confirm availability.