1. Earphones Wireless specification: V4.2 WT. Support protocols A2DP, AVRCP, HSP, HFP.2. Transmission frequency: 2.4GHz.3. Speaker: 14mm.4. Impedance: 32Ω±15%.5. Sensitivity: 98db±3db.6. Audio jack: Lightning-connector.7. Cable: TPE highly elastic enameled wire. Cable length: 1.2m.8. Product weight: 10g.9. Line control supported: intelligent line control (can adjust the volume, previous / next, stop / start, supporting call function).10. In-ear design, comfortable to wear, not easy to slip off, designed for control of all lightning interface products of iPhone.11. Support all IOS systems.
