One. Product Overview The Audio PCBA-based company developed intelligent wireless audio data transmission products, low-cost, high-efficiency stereo solution. Bluetooth module using the OV3860 chip provides high-quality sound and compatibility, more optimal overall performance. Users need only a simple operation by pairing connection, you can quickly and easily implement wireless transmission of music, enjoy wireless music fun. For mobile phones, tablet PCs and other devices with Bluetooth stereo capabilities. II. Product pictures and Size III. Performance parameters Bluetooth specification: Bluetooth V2.1 + EDR Power supply: built-in battery Bluetooth collusion: A2DP, AVRCP, HS / HF, Profiles ≤100mA operating current Standby current <0.4mA (TBD) Operating temperature range: -10 to 60 ℃ Wireless transmission range: 10 meters (TBD) transmit power: CLASS2 4dBm Frequency range: 2.4GHz-2.480GHz