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Yongjun S31 True Wireless Headset User Guide

December 3, 2024

S31 True wireless headsetManual FCC ID: 2BBN9-002 Product description: Product name: S31 Bluetooth version: Bluetooth V5.4 Headphone battery (30mAh) and charging box 300mAh) can be customized. Support protocol: A2DP/AVDTP/AVRCP/RFCOMM/HFPIHSP About…