If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy Bluetooth Headset with Microphone CoolBox CoolTwin Black at an unbeatable price.

• Technology: Dual Driver
• Type:
  • Wireless
  • Bluetooth Headset with Microphone
  • Headphones with Microphone
  • In-ear headphones
  • In-ear Headphones
• Connectivity:
  • Bluetooth 4.2
  • Bluetooth
  • Wireless
• Microphone: Yes
• Rechargeable lithium battery: Yes
• Range: 10 m
• Approx. charging time: 2 hours
• Compatible: HFP, HSP, A2DP, AVRCP
• Frequency response: 20Hz ~ 20kHz
• Approx. autonomy: 4 hours
• Includes:
  • Power Cord
  • Headphones
• Colour: Black
• Material: Plastic
• Characteristics: Wireless
• Year: 2018
• Type of headphones: In-ear headphones
• Connections: Jack 3.5 mm
• Volume control: Digital
• Recommended age: Adults
• Weight: 100 g
• Headphones: Binaural