Sencor Wireless headphones SEP710BTGR

Wireless headphones with microphoneExceptional and unique designUp to 30 hours of music playbackQuality sound and comfortable padding Music listening via Jack-Jack cable (included) Headphones offer up to 30 hours of music playback Speaker diameter: Ø 40 mmImpedance: 32 Ω +/- 10%Frequency range: 20 Hz — 20 kHzSensitivity: 99 dB +/- 2 dB / 1 mW (sound pressure level at 1 kHz)Microphone sensitivity: -45 dB ± 2dBBattery type: 3.7V, 400mAh Li-ionCharging time: 3 hPlayback time: 30 hConnector: Micro USBWeight: 217 gBT: v5.0IP 20Accessories: charging cable, Jack-Jack audio cable, headphone case