2-in-1 bluetooth 5.3 Transmitter Receiver NFC RCA/3.5mm AUX /Optical/Coaxial Wireless Audio Adapter Hands-free Calls No Driver

Specifications:
Product model: OMS-M13
Bluetooth version: Bluetooth V5.3
Support protocol: rx: a2dp avrctx: a2dp
Working frequency band: 2.402GHz -2.480GHz
Power level: Power level 2 (Class II)
Sensitivity: -85dBm<0.1%BER
Signal to noise ratio: ≥90dB
Distortion: ≤0.1%
Interface type: input: 3.5mm AUX+RCA+ Optical)+ Coaxial)+USB.
Output: 3.5mm AUX+RCA
Optical fiber parameters: optical fiber input is supported, and the sampling rate is 32/44.1/48/96/192KHz and 24bit.
Supported formats: MP3/WAV/WMA/APE/FLAC/M4A/ALAC/AMR.
Screen size: 25*10mm LED
Operating current: < ＜40mA
Built-in battery: 3.7V/1000mAh(3.7W)
Charging current: about 1000mA
Charging time: about 1.5 hours
Duration: about 10H for RX and 10-12H for TX.
Bluetooth distance: 10-20M (under barrier-free conditions)
Charging method: Type-C 5V/1000mA
Compatible devices: Android, IOS mobile phones and PADs, active speakers, amplifiers and Bluetooth speakers or headphones supporting A2DP/ protocol.

Features:
1. Designed with Bluetooth 5.3 chip, it is more compatible and stable.
2. Bluetooth receiving (RX) and Bluetooth transmitting (TX) design.
3. The reception mode is upgraded to one for two, and two mobile phones can be connected to listen to songs at the same time.
4. Equipped with high-definition LED digital display screen, full-screen display of working status and Bluetooth mode are clearly visible.
5. Built-in digital signal to analog chip supports digital optical fiber, coaxial, AUX and RCA interfaces.
6. Upgrade the wireless NFC sensing function, and connect/disconnect the mobile phone with one touch.
7. Cool RGB magic lantern, multi-color adjustable, soft and not dazzling.
8. Built-in 1000mAh rechargeable large-capacity lithium battery, fully charged for about 1.5h, continuously listening to songs for about 10-12 hours, and standby for about 30 days.
9. Support USB(U disk) playback and transmission, and support audio file playback in various lossless formats.
10. Built-in high-definition microphone supports wireless listening to songs, hands-free calls and navigation.
11. The product connection is simple, and there is no cumbersome driver and downloading APP;