BH76 Plus Teams Black USB-A Dual Yealink BH76. Product Type: Headphones Transmission technology: Wireless, Bluetooth. Recommended usage: calls/music. Headphone frequency: 20 - 20000 Hz. Wireless range: 30 m. Weight: 213 g. Product color: Black Product type: Headphones Wearing style: Headband Recommended usage: Calls/Music Headset type: Binaural Product color: Black Optimized for: UC Number of stored paired devices: 8 Number of simultaneously connectable devices (max): 2 Certification: FCC, IC Transmission technology: Wireless Feature : Equalizer USB port type: USB Type-A Bluetooth profiles: A2DP, AVRCP, HFP, HSP, PBAP, SPP Bluetooth version: 5.2 Wireless range: 30 m Maximum load capacity: 50 mW Headphone speaker position: Supra-aural Headphone frequency: 20 - 20000 Hz Headphone sensitivity: 117 dB Driver unit: 3.5 cm Noise cancellation type: Active Microphone type: Boom Microphone frequency: 100 - 8000 Hz Microphone number: 5 Continuous audio playback time: 40 h Talk time: 35 h Battery charging time: 2 h Charging source: USB Standby time: 112 h Weight: 213 g Packaging width: 274 mm Packaging depth: 96 mm Packaging height: 261 mm Cables supplied: USB Type-A to USB Type-C Quantity: 1 Certificates of conformity: CE