SMAKN Bluetooth Stereo Plate-Wireless Bluetooth Speaker-Bluetooth Speaker Module-Bluetooth Board

*XL3256 Bluetooth stereo receiver module main chip BK3256 design. High integration and small size. *Class2 power level 2dBm. *Follow Bluetooth V2.1 + EDR Bluetooth specification. *Powerful noise cancellation circuit. *Effective transmission distance of up to 10-20 meters. Support for external antenna farther. *Standard stereo headphone jack output, direct drive headphones. *With A2DP, AVRCP, HS / HF, Profiles of high-quality stereo audio transmission and remote control protocol. *Powerful embedded function of DSP data processor, complete a variety of digital speech processing. *Modules can be USB powered, charging or external 5V DC power supply and external lithium battery, easy to carry. *All function keys are integrated on the board easy to use. *External audio interface input function on the board, when the external source to automatically switch to an external source. *Size:50mm * 40mm * 16mm. Feedback: We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help. Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem.Thank you very much!