1x For Bose-QC25 QC35 QuietComfort 3 Headphone Airline Airplane Adapter 3.5MM A.

Audio input Ф 3.5mm plug stereo, mono. Size (mm) 57 45 12. Operation mode (touch, button) button. Bt wireless one to two connection support. Support encoding SBC, AAC, mSBC. Support protocols HFP, HSP, A2DP, AVRCP.

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