Maxell Dynamic+ wireless headphones with charging case Bluetooth black

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