【Compatibility Note】:Designed for Sony WH-1000XM3/WH-1000XM4/WH-XB900N/WH-H910N/WH-CH710N Bluetooth wireless noise-cancelling headphones (compatible with part number SP624038)
【Installation Guidance】:Correct polarity alignment is crucial for safe operation. Connect the red wire to positive (+) and black wire to negative (-) terminals. Reverse polarity connection may cause damage. If connector types differ, you may directly solder wires or use the provided heat-shrink tubing for secure connection
【Quality Assurance】:Features premium integrated battery cells with full FCC, CE and RoHS certifications. Maintains stable voltage output without compromising device circuitry. Supports up to 1200 charge cycles while preserving battery health and performance
【Customer Service】:We are committed to your complete satisfaction. Should you require any technical assistance or have product inquiries, our support team provides responsive service within 24 hours to ensure a satisfactory resolution
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