PTron Flux In-Ear Stereo Headphone with Noise Cancellation For Oppo F1s (Black) Specifications: Driver unit : Φ10 mm speaker Mic : 100±5 dB Impedance : 32 Ohms Sensitivity : 96±5...

PTron Avento Bluetooth Headphones In-Ear Wireless Earphones With Mic For Oppo F1 (Black) Specification: Brand  : PTron Type : Avento bluetooth In-ear earphone Bluetooth : v5.0  Transmission Range : 10...

PTron HBE6 Metal Bass Earphone With Mic For Oppo F1 (Black & Red) Specifications: Driver unit : Φ10 mm speaker Mic : 3.0*1.5 mm/-62±3 db Impedance : 32Ω±15% at 1KHz...