Product features/parameters:
Brand: Essager
Product name: Transsion BT001 Bluetooth 5.0 Audio Receiver
Output interface: 3.5mm
Bluetooth version: 5.0
Bluetooth protocol: AVRCP.A2DP.HFP.HSP
Signal to noise ratio: >90dB
MIC sensitivity: ±42dB
Frequency response: 20Hz-20kHz
Transmission distance: 10 meters
Output power: 11mW RL=16Ω
Battery capacity: 110mAh
Charging time: 2 hours
Use time: 4-5 hours

1. Using Bluetooth 5.0 version, compatibility, stability and response speed are better than the previous version
2. Lavalier design, exquisite and small, without weight
3. The receiver is connected to the mobile phone via Bluetooth. When you insert the wire-controlled headset into the 3.5mm headphone jack, the wire-controlled headset becomes a Bluetooth headset in seconds, allowing you to switch back and forth between wired and wireless (that is, you can enjoy the pure music of the wire control, but also Enjoy the freedom from the shackles of the line, bring different music enjoyment)
4. The Bluetooth receiver can also connect the audio adapter to the car AUX interface to connect it to the car audio equipment
5. It can connect 2 mobile phones at the same time, and switch between the two mobile phones freely
6. Compatible with OMTP and CTIA earphone plugs
7. Built-in high-definition noise reduction microphone supports incoming call answering, music playback, pause, volume adjustment, upper and lower song switching
8. Built-in 110 mA polymer battery, charge for 2 hours, use 4-5 hours