Remax Sport RB-S19: Bluetooth 4.2 sports wireless headphonesErgonomic design - Headphones perfectly fit the shape of the ear, reducing external noise. All you hear is your favorite music.Ideal for active people, silicone eartips and behind-the-ear design ensure a secure fit even during heavy traffic. Great for jogging, biking, working out at the gym or just walking around.Exceptional sound quality. Long hours of testing made it possible to establish the correct sound balance in the headphones, which resulted in a clear and stable sound in both low and high tones.Everything under control - The remote control with a microphone placed on the earpiece allows you to conveniently make calls, instantly answer / reject calls and control your music player without having to take your phone out of your pocket and interrupt your activities. Especially useful in adverse weather conditions.Bluetooth 4.2 - Broad compatibility combined with greater signal stability than older versions. Specifications: Brand: RemaxTitle: SportsModel: RB-S19Headphone type: in-ear, wirelessBluetooth: Bluetooth 4.2Transmission distance: 10mImpedance: 32 ohmHeadphone frequency response: 20-20,000 HzPower: 92 dBMicrophone sensitivity: 42dBBattery: 80 mAhWorking time (music): 4 hoursOperating time (standby): 160 hoursCharging time: 2 hoursWeight: 19gCable length: 45cm The set contains: bluetooth headphones3 pairs of silicone padsMicro USB cable (20 cm)