2 In 1 Audio Adapter LED Digital Display V5.0 Transmitter Receiver With Built-in Microphone For Phone MP3 Player black

--Bluetooth-compatible 5.0: Designed with Bluetooth-compatible 5.0 chip, it has stronger compatibility and stability. 2 in 1 Bluetooth-compatible reception (RX) and Bluetooth-compatible transmission (TX) functions.--Compass volume key: Innovative compass volume key design, 360 degree adjustable, more convenient rotation operation, easy to answer calls, play songs, pause and other functions.--LED digital display: Equipped with high-definition LED digital display screen, the working status and Bluetooth-compatible mode are clearly visible.--HiFi quality: Lossless music, HiFi high-definition decoding output, no lag delay, clear sound quality, restoring sound details, just like a music scene.--Multi interfaces: Built in digital to analog conversion chip, supporting AUX, RCA, B, TF interfaces. Supports B (B flash drive), TF card playback and transmission.Description:Name: Audio AdapterBluetooth-compatible version: Bluetooth-compatible V5.0Support protocol: RX: A2DP AVRC TX: A2DPWorking frequency range: 2.402GHz -2.480GHzPower level Power level 2 (second level)Sensitivity: -85dBm<0.1% BERSignal to noise ratio: ≥ 90dBDistortion: ≤ 0.1%Interface type input: 3.5mm AUX+RCA+B+TF;Output: 3.5mm AUX+RCA+B+TF 3.5mm AUX+RCASupported formats: MP3/WAV/AP/FLAC/G729/M4A/ALAC/AMR/MIDI/G726/MYScreen size: 33 x 14 x 4 mmWorking current<40mAInternal battery: 3.7V/400mAhCharging current: approximately 500mACharging time: approximately 1 hourBattery life: RX approximately 6-8 hours, TX approximately 8 hoursBluetooth-compatible distance: ≤ 10 meters (in open spaces)Charging method: Micro B 5V/0.5ACompatible devices: Compatible for Android, IOS system phones and PADs, active speakers, power amplifiers, and Bluetooth-compatible speakers or headphones that support A2DP/protocol connections.Packing list: 1 x Bluetooth-compatible Adapter Host1 x Type-C charging cable1 x 3.5mm audio cable1 x Red and White RCA Lotus Cable1 x instruction manualNote:Due to manual measurement, please allow 1-3 cm error, thank youDue to screen and other objective reasons, there may be a certain color difference, please understand.