Major Chipset： CYW20706
PCBA Size： 20.0 x 14.7 x 2.5 mm
BLE Version：BT4.2
BT Interface：UART
Human Resources：hr@cdtech.cn (Mr. Sun)
Quality Complaint：qa@cdtech.cn (Mr. Zhai)
Marketing Center：info@cdtech.cn（Miss Shi）
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