Maxell Dynamic+ wireless headphones with charging case Bluetooth black

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