Feature:1. Support USB interface or 3.7-5V power supply, with LED status indicator.2. DIY embedded design, non-destructive decoding, easy to operate.3. It is equipped with high quality Bluetooth decoder chip, which has stable performance and provides non-destructive sound quality.4. Support Bluetooth 4.1, can operate pure mobile phone connection, play MP3.5. Precise incisions and interfaces ensure the perfect applicability of the installation location and ease of installation.Specification:Condition: 100% Brand NewItem Type: Transistor TesterMaterial: SemiconductorModel: VHM-314USB Power: Universal Micro USB 5V PowerPower Supply: 3.7-5VSNR: 90dbTHD+N: -70dbCrosstalk: - 86dbDNR: 91dbThe Supporting Configuration: For A2DP/AVCTP/AVDTP/HFPService Level: > 5mPackage List:1 x Bluetooth Decoder Board