Item Type: Bluetooth Receiver Color: Black Model: BT200 Material: ABS Frequency Response Range: 10HZ-20KHZ Signal To Noise Ratio: >110db Distortion + Noise: < 0.02% Bluetooth Version: 5.0 Power Supply: USB 5V Bluetooth Name: BLS-B10 Interface: Stereo analog AUX3.5mmt Decoding Chip: CSR5.0 Effective Distance: 15 meters Support: A2D/AVRCP Weight: Approx. 154g / 5.4oz Package List 1 x Bluetooth Receiver 1 x 3.5mm Cable 1 x 1 To 2 Sound Cable 1 x USB Data Cable 1 x Manual 1[NFC Near Field Pairing] Support NFC near field pairing, pairing NFC to automatically turn on or off Bluetooth wireless connection, support U disk. 2[Widely Compatible] Bluetooth adapter receiver with 3.5MM AV output interface, which can be widely compatible to meet your various need. 3[Power Isolation Technology] Bluetooth receiver use the latest power isolation technology to ensure perfect sound quality, let you feel the high quality music. 4[Durable Material] Made of high quality ABS material, which is safe, durable, wear resistant, and can be used for a long time. 5[Stable Performance] Bluetooth receiver is exquisite in workmanship, stable in performance, so you can be used with confidence.