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Model: E81/ M11i Product Specifications and Features : Brand: Pavareal Wearing type: in-ear Material: TPE + ABS Microphone: Yes Speaker: φ14.2mm Dynamic Type Sensitivity:90±3dB Mic Sensitivity: -29DBFS Compatible: iP7/7plus/8/8plus/Xs/x/11/11pro/11promax/12/12pro/12promax/13/13pro/13promax/14/14plus/14pro/14promax all ipad Frequency response: 20- 20kHz Connector: LightnIng Rated power: 5mW Colour: White function:answer the phone/music