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

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