CONCEPTRONIC ALVAH01B Bluetooth Headphones

Specifications: - Product type : Headset - Wearing style: Head-band - Recommended usage : Calls & Music - Headset type: Binaural - Volume control: Button - Control type: Buttons - Foldable: Yes - Ports & inter: faces - Connectivity technology : Wireless - 3.5 mm connector: Yes - USB connectivity: Yes - Bluetooth: Yes - Bluetooth version: 5.0 Headphones: - Ear coupling : Supraaural - Headphone frequency: 20 - 20000 Hz - Impedance: 32 Ω Microphone: - Microphone type : Built-in - Noise-canceling: Yes Battery: - Battery operate: Yes - Battery type: Built-in battery Battery: - Battery life (max): 20 h - Battery capacity: 450 mAh - Continuous audio playback time: 20 h - Rechargeable battery: Yes - Talk time: 20 h - Charging source: USB - Standby time: 100 h Weight & dimensions: - Width: 175 mm - Depth: 78 mm - Height: 180 mm - Weight: 230 g - Packaging data: - Package width: 186 mm - Package depth: 80 mm - Package height: 192 mm - Package weight: 380 g - Package type: Hanging box - Packaging content: - Quick start guide: Yes - Cables included: Audio (3.5mm), USB - Quantity: 1 Technical details: - Power input: 5V