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

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