Maxell Dynamic+ wireless headphones with charging case Bluetooth black

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