Detailed Specifications
Yealink BH70 - Bluetooth Wireless Dual UC Headset
Overview :
The Yealink BH70 is an entry-level Bluetooth wireless headset engineered for office and hybrid workers who require reliable audio for daily collaboration. It solves poor call clarity and short battery life in open offices, home workspaces, and on-the-go scenarios with three integrated microphones and Acoustic Shield Technology 2.0 for active noise cancellation.
The headset delivers 20Hz to 20kHz speaker frequency response via 35mm custom speakers and 100Hz to 8kHz microphone response. Talk time reaches 35 hours with busylight off, or 28 hours with busylight enabled; music playback extends to 43 hours. The BT51 USB-A/C dongle provides wireless range up to 50 meters (164 feet) and supports simultaneous connection to two devices.
Deployment includes PC, Mac, Android, and iOS devices via USB-C/A dongle or direct Bluetooth pairing. The headset is UC-certified and compatible with all major UC platforms (Microsoft Teams, Zoom, etc.). Do not use for gaming (no dedicated gaming codecs) or as a DECT headset for extreme-range warehouse applications.
Key Features :
3-mic noise cancellation + Acoustic Shield 2.0
35mm custom speakers, 117dB sensitivity
35hr talk time / 43hr music playback
BT51 dongle with 50m/164ft range
Dual-side busylight + pull-to-mute boom
Specifications :
| Specification | Detail |
|---|
| Brand | Yealink |
| Part Number | BH70 (BH70-DUAL-UC-USB-C/A, 1208703) |
| Product Type | Bluetooth Wireless Headset |
| Wearing Style | On-ear, binaural (dual) |
| Bluetooth Version | Bluetooth 5.2 |
| Bluetooth Profiles | HSP v1.2, HFP v1.7, A2DP v1.3, AVRCP v1.6, PBAP v1.1, SPP v1.2 |
| Speaker Diameter | 35 mm |
| Speaker Sensitivity | 117 dB at 1 mW-1 kHz |
| Speaker Max Input Power | 30 mW |
| Speaker Frequency Response | 20 Hz - 20 kHz |
| Microphone Frequency Response | 100 Hz - 8 kHz |
| Microphone Sensitivity | -14 dBFS/Pa |
| Number of Microphones | 3 (MEMS) |
| Noise Cancellation | Acoustic Shield Technology 2.0 |
| Talk Time | 35 hrs (busylight off), 28 hrs (busylight on) |
| Music Playback Time | Up to 43 hrs (Bluetooth ON) |
| Standby Time | Up to 22 days |
| Charging Time | Up to 90 minutes |
| Wireless Range | Up to 50 m / 164 ft |
| Dongle | BT51 (USB-A or USB-C variant) |
| Simultaneous BT Connections | Up to 2 devices |
| Multiple Device Pairing | Up to 8 devices |
| Weight | 146-148 g |
| Color | Black |
