If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy Wireless Headphones Denver Electronics BTH-250 at an unbeatable price. Approx. weight: 350 g Connectivity: Bluetooth 4.2 Bluetooth Wireless Battery: 300 mAh Type: Headphones with Headband Wireless Headphones Headphones with Microphone Rechargeable lithium battery Product with plug: Yes Type of plug: Plug EU Approx. autonomy: 6 hours Connections: USB Colour: Black Red Characteristics: Noise cancellation Noise reduction Built-in microphone Wireless Installation guide included Battery operated Built-in battery Weight: 350 gr Year: 2018 Type of headphones: External circumaural External supraaural Material: Lithium ions (Li-ion) Power supply: Battery operated Range: 10 m Approx. charging time: 2 hours Recommended age: Adults Headphones: Binaural Recommended use: Calls and music Battery type: Litio Ion Battery capacity: 300 mAh Units: 1 Unit Depth: 20 cm