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

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