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

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