CoolBox CoolSand Air20 - Black Bluetooth Headphones

CoolBox CoolSand Air20 are foldable headphones with microphone with Bluetooth 5.0 connection and the possibility to play music via cable without battery consumption. Very comfortable, thanks to their ergonomic design, lightness, and adjustable padded headband, and foldable, making them even easier to carry with you. They feature a 3.5mm jack connector (cable included) to make them compatible with devices without Bluetooth connectivity.

Features:

• Ergonomic design: Soft and cushioned ear pads and padded headband so prolonged use is not uncomfortable, and they are also foldable for easier transport.
• High capacity battery: They have up to 10 hours of playback autonomy via Bluetooth connection. When connected by cable, autonomy is even greater, reaching up to 100 hours on standby. Full charge in 2.5 hours.
• Integrated controls: They have control buttons on the left earcup to turn on or off, pause or play music, increase or decrease volume, or skip forward or backward. With the pause/play button, calls can also be answered via the integrated microphone (hands-free function not available when connected by cable).
• Bluetooth or cable connection: Bluetooth 5.0 connectivity improves data transmission speed while providing greater battery efficiency compared to previous versions. Additionally, they can optionally be connected via the auxiliary cable included in the package.
• High sound quality: Frequency range: 20Hz ~ 20kHz/speaker (diameter): 2 x 40mm/impedance: 32 Ohm.

Specifications:

• Performance
  • Product type: Headphones
  • Usage style: Headband
  • Recommended use: Calls and music
  • Headphone type: Binaural
  • Product color: Black
  • Function keys: Play/Pause, Volume +, Volume -
  • Volume control: Button
  • Control type: Buttons
  • Plug and play: Yes
• Ports and Interfaces
  • Connectivity technology: Wireless and wired
  • 3.5 mm connector: Yes
  • USB connection: Yes
  • USB connector: MicroUSB
  • Bluetooth: Yes
  • Bluetooth version: 5.0
  • Wireless range: 10 m
• Headphones
  • Earphones: Supra-aural
  • Headphone frequency: 20 - 20000 Hz
  • Impedance: 32 Ohm
  • Headphone sensitivity: 110 dB
  • Driver unit: 4 cm
• Microphone
  • Microphone type: Integrated
• Battery
  • Battery: Yes
  • Battery type: Built-in battery
  • Battery technology: Lithium
  • Battery capacity: 400 mAh
  • Continuous audio playback time: 10 h
  • Battery recharge time: 2.5 h
  • Battery voltage: 3.7 V
  • Standby time: 100 h
• Weight and dimensions
  • Weight: 209 g
• Package contents
  • Included cables: AUX, USB
  • Quantity: 1
• Other features
  • User manual: Yes