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CHENGDA ST-1923 Bluetooth Headset Instructions

CHENGDA ST-1923 Bluetooth Headset Instructions

February 16, 2024
ST-1923 Bluetooth Headset Instructions ST-1923 Bluetooth Headset ST-1923（ST-2923/ST-3923/ST-1933/ST-2933/ST-3933/ST-4933 ） Instructions for Bluetooth/wired headphones A. Bluetooth mode *Bluetooth version: 5.3 *Operating Range: >10M *BatteryCapacity：400mAh *Standby time: 168 hours *Listening time: 24…
CHENGDA EA-2923 Bluetooth Wired Headphones Instructions

CHENGDA EA-2923 Bluetooth Wired Headphones Instructions

January 25, 2024
ST-1923EA （EA-2923/EA-3923/EA-1933/EA-2933/EA-3933/EA-4933 ） Instructions for Bluetooth/wired headphones A.Bluetooth mode *Bluetooth version: 5.3 *Operating Range: >10M *BatteryCapacity：400mAh *Standby time: 168 hours *Listening time: 24 hours Power on: Press and hold button…
CHENGDA EA-3633 Bluetooth Wired Headphones Instructions

CHENGDA EA-3633 Bluetooth Wired Headphones Instructions

January 22, 2024
CHENGDA EA-3633 Bluetooth Wired Headphones Product Information Specifications: Bluetooth version: 5.3 Operating Range: >10M Battery Capacity: 600mAh Standby time: 168 hours Listening time: 24 hours Product Usage Instructions A. Bluetooth…