DANYIN BH69 Bluetooth 5.0 Call Center Headphone Business Headsets Telephone Operator HiFi Earphones with Microphone

• We use the new generation V5.0+BR+EDR+BLE Bluetooth technology, which has faster transmission, more power saving, and faster connection

• Composite biological vibrating diaphragm, natural original sound reproduction, high frequency but not sharp, broad vocal range, voice transparent, large dynamic load, every music detail is fine

• Stable sending and receiving signals, low return loss, good dynamic coverage of the transmitting cell, and high compatibility with Bluetooth headphone

• Ceramic antenna is miniaturized antenna suitable for use with Bluetooth devices. It has good concealment, small size, space-saving, stable sending and receiving signals

• In a relatively empty space without metal, human body and other obstacles, the transmission distance is about 10 meters which is sufficient to meet the requirements of business, office telephone traffic

• Hyper cardioid uni-directional mic, reduce background noise to make the sound clearer. The distance between the mouth and the microphone is recommended to be about 2cm as a suitable voice distance

• The steel bow beam on the left side of the earphone can be stretched 1-2 cm

• The microphone stalk can be rotated around 120 degrees

• The metal gooseneck has good fixability, and users can shape it at will according to their needs

Specifications:

• MIC:

• Mic Dimensions: ?6.5*5.0mm

• Directivity: signal directional 

• Sensitivity: -44±3db

• Impedance: ?2.2K?

• Microphone pole length: about 23cm

• Speaker:

• Driver Diameter: Ø30mm

• Impedance: 32?

• Frequency Response: 20Hz-20kHz

• S.P.L: ?96dB±3db 

• Plug: USB+Four-level 3.5MM

• Receiver Distance: ?10m

• Power supply: 160mAh

• Charge Type: Micro USB

• Charging Time: About 1.5 hours

• Playing Time: About 8 hours

• Standby Time: About 100 hours