Maxell Dynamic+ wireless headphones with charging case Bluetooth black

Product colour: Black | Headphone frequency: 20 - 20000 Hz | Wearing style: In-ear | Oven control type: Touch | Bluetooth range: 10 m | Control type: Wireless | Ear tips: 3 pairs | Microphone type: Built-in | Bluetooth: Yes | USB port type: USB Type-C | Power source type: Battery | Product type: Headphones | USB cable: Yes | Recommended usage: Calls & Music | Wireless audio playback time: 4 h | Charging case: Yes | Impedance: 32 Ω | Battery recharge time: 2 h | Operating keys: Answer/end call | Headphones: Y | Headphone sensitivity: 94 dB +/- 3 dB | Operating keys: Play/Pause, Skip down, Skip up, Stop | USB charging: Yes | Connectivity technology: Wireless | USB port: Yes | Operating keys: Mute | Charging case: Yes