S5 Wireless Private Mode Bluetooth 4.1 In-ear Earphone Wireless Headset for Tablet Cell Phone

S5 Wireless Private Mode Bluetooth 4.1 In-ear Earphone Wireless Headset for Tablet CellphoneDescription:S5 Wireless Private Mode Bluetooth 4.1 In-ear Earphone Wireless Headset for Tablet CellphoneCE, FCC, RoHS CertificateSoft silicone earplugs set of rainproof anti-perspiration, can effectively block redundant noiseSuitable for MID / Smart MP3/MP4/CD / mobile phones / radios and other related products with the output of the Audio classHeadset type: In-EarImpedance: 32ωFrequency Range:20-20000 HzSpeaker Specification:Brass ring 8ΦmmSensitivity: 110dbProgram:csr  8635 Ver4.1Operating Voltage:3.0V-4.2VCharging time:1-2 hoursWeight:14.5gColor: Black/BluePackage includes:1 x Earphone1 x USB Charging Cable1 x Soft  Earplugs