Major Chipset：IS1678S-152
PCBA Size： 15.0x12.0*1.4mm
BLE Version：Dual-mode(BR/EDR/LE)
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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