<h1><strong>Description:</strong></h1><h3></h3><h3>Product model: M13</h3><h3></h3><h3>Bluetooth version: Bluetooth V5.3</h3><h3></h3><h3>Support protocol: rx: a2dp avrctx: a2dp</h3><h3></h3><h3>Working frequency band: 2.402GHz -2.480GHz</h3><h3></h3><h3>Sensitivity: -85dBm<0.1%BER</h3><h3></h3><h3>Signal-to-noise ratio: ≥90dB Distortion: ≤0.1%</h3><h3></h3><h3>Interface type:</h3><h3></h3><h3>Input: 3.5mm AUX+RCA+ Optical)+ Coaxial)+USB.</h3><h3></h3><h3>Output: 3.5mm AUX+RCA</h3><h3></h3><h3>Optical fiber parameters: optical fiber input is supported, and the sampling rate is 32/44.1/48/96/192KHz and 24bit.</h3><h3></h3><h3>Supported formats: MP3/WAV/WMA/APE/FLAC/M4A/ALAC/AMR.</h3><h3></h3><h3>Screen size: 25*10mm LED</h3><h3></h3><h3>Operating current: < <40mA</h3><h3></h3><h3>Built-in battery: 3.7V/1000mAh(3.7W)</h3><h3></h3><h3>Charging current: about 1000mA</h3><h3></h3><h3>Charging time: about 1.5 hours</h3><h3></h3><h3>Duration: about 10H for RX and 10-12H for TX.</h3><h3></h3><h3>Bluetooth distance: 10-20M (under barrier-free conditions)</h3><h3></h3><h3>Charging method: Type-C 5V/1000mA</h3><h3></h3><h3>Compatible devices: Android, IOS mobile phones and IPAD, active speakers, amplifiers and Bluetooth speakers or headphones supporting A2DP/ protocol.</h3><h3></h3><h3></h3><h3></h3><h1><strong>Package List:</strong></h1><h3></h3><h3>1x M13 Bluetooth Audio Adapter</h3><h3></h3><h3>1x RCA Audio Cable</h3><h3></h3><h3>1x 3.5mm AUX Cable</h3><h3></h3><h3>1x User Manual</h3><h3></h3><h3>1x Type-C Charging Cable</h3><h3></h3><h3>(Note:Does not include Fiber Optics and Coaxial Cable)</h3><p><br/></p>