Maxell Dynamic+ wireless headphones with charging case Bluetooth black

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