The ETK52L-QFN40 game headset solution is a 5.8G Bluetooth dual mode game headset module. Dual mode Bluetooth 5.0, compatible with Bluetooth 4.2 and V2.1 VDR, supports Bluetooth Piconet and Scatternet networking protocols. It can be equipped with a built-in microphone and an external plug rod, and is compatible with PS3/PS4/PS5/Nintendo Switch/PC/TV/Android system/iOS system/Hongmeng system. Support UI function definition, support XBOX, LINE IN modes, support RGB flash, support virtual 7.1, and noise reduction functions. This scheme is an audio transmission scheme for target applications running in the 5.8/5.2GHz frequency band that is customized by Tianhui Micro ETK52L-QFN40. The wireless data link supports two 24-bit audio streams, and with additional features including data encryption, pairing, and two-way data information enhances interference detection and automatic frequency allocation.

Module Features
·5.8G Bluetooth dual mode switching
·Virtual 7.1 and free switching of music modes
·Strong cross platform compatibility
·Supports XBOX and LINE IN modes
·Noise reduction function design


Module Performance


USB transmitter board
1. Working voltage: 5.0V
2. Transmission frequency: 5.2G-5.8GHZ
3. Frequency range: 5.2G-5.8GHZ
4. Supported format: PCM
5. Channel: 60channel
6. Bandwidth: 2M
7. Modulation method: GFSK
8. Transmission power:<10dbm
9. Audio input level range: receive RF output without distortion 10-1000MV
10. Antenna gain: (MA module:<3.49dbi 205="" mu="">11. Working current:<80mA
12. The blue light turns on once every 3 seconds after powering on, and the blue light remains on when the connection is successful
13. USB transmitter, supporting devices such as TYPE-C, Micro (Windows), and computers


Headset reception board:
1. Working voltage: 3.3-4.2V
2. Working current: 65mA
3. Frequency response: 20HZ-20KHZ
4. Signal-to-noise ratio: 141db (I2S)
5. Receiving sensitivity: - 85db
6. Low end frequency response: TX at20HZ-20KHZ 150MV ≤ 20HZ
High end frequency response: TX at20HZ-20KHZ 150MV ≥ 20KHZ
8. Resolution: - 138db (I2S)
9. Distortion: TX at 1KHZ/350MV ≤ 0.5%
10. Microphone size: 4015
11. Microphone sensitivity: - 43DB ± 3DB (single directional)
12. Working time:>20 hours
13. Charging time: ≤ 4.5 hours
14. Battery capacity: 1500MAH
15. Receiving distance: ≥ 10 meters (in the open, barrier-free 360 degree rotation without dead angle)

Bluetooth
Dual mode Bluetooth 5.0, compatible with Bluetooth 4.2 and V2.1 VDR
Supports Bluetooth Piconet and Scatternet networking protocols
Maximum transmit power 10DBM supports Class1, Class2, and Class3
Supports protocols such as A2DP/AVRCP/HFP/HSP/OPP/HID/SPP/PBAP/GATT/SM
Support for PLC (Package Loss Concept)