Esperanza EH186K headphones/headset Wireless In-ear Sports Bluetooth Black, Red

Battery voltage: 5 V | Bluetooth profiles: AVRCP | Number of batteries supported: 1 | Frame material: Metal | Bluetooth profiles: HSP | Connectivity technology: Wireless | USB connectivity: Yes | USB cable length: 1 m | Extension cable length: 15 m | Volume control: Buttons | Recommended usage: Sports | Battery capacity: 60 mAh | Wearing style: In-ear | Battery technology: Lithium-Ion (Li-Ion) | Headset type: Binaural | Headphone frequency: 280 - 16000 Hz | Cable length: 60 m | AC adapter included: Yes | Bluetooth profiles: A2DP | Battery type: Built-in battery | USB charger included: Yes | Bluetooth: Yes | Bluetooth profiles: HFP | Control unit type: In-line control unit | Buttons quantity: 3 | Weight: 20 g | Standby time: 4.5 h | Bluetooth version: 4.2 | Ear coupling: Circumaural | Continuous audio playback time: 3.5 h | Product colour: Black | User guide: Yes | Rechargeable battery: Yes | Microphone noise-canceling: Yes | Product type: Headset | Product colour: Red | Battery operated: Yes