Welcome to our shop! Features: - Support A2DP / AVCTP / AVDTP / AVRCP / HFP Bluetooth protocol. - Excellent lossless sound quality. - Dual channel stereo audio output. - Powered by DC 3.7-5V or USB interface. - With LED status indicator. Specification: - Power supply: DC 3.7-5V or 5V USB power supply - SNR: 90dB - THD + N: -70dB - Crosstalk: -86dB - DNR: 91dB - Support configuration file: A2DP / AVCTP / AVDTP / AVRCP / HFP - Service range: >15m - Board size: 31*31*7mm - Weight: Approx. 6g Package list: - 1 x Bluetooth Decoder Board 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.