Conceptronic Alvah01b Bluetooth Headphones Black unisex One Size
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: 5.0Headphones: - Ear coupling : Supraaural- Headphone frequency: 20 - 20000 Hz- Impedance: 32 ΩMicrophone: - Microphone type : Built-in- Noise-canceling: YesBattery: - Battery operate: Yes- Battery type: Built-in batteryBattery: - 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 hWeight & 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: 1Technical details: - Power input: 5V