TWS Ear-hook Bluetooth Earbuds for Nokia XR21, T21, X100 — Open-Ear True Wireless Stereo with Hands-free Mic, Button Controls, Charging Case (500mah / 950mah)

Open-ear design to avoid the discomfort of in-ear or over-ear fittings — keeps the ear canal clean and lets you hear ambient sound while enjoying music. The earbuds support Auto pairing & wireless connection: when removed from the charging case they power on automatically and pair with each other, announcing "pairing"; once both earbuds are paired you can connect them to your phone via Bluetooth. Button controls handle playback and calls: single click to play/pause music or to answer/end a call. Left headphone 2 clicks to decrease volume, right headphone 2 clicks to increase volume. Left headphone 3 clicks for last song, right h. The headset delivers HD stereo audio with noise cancellation technology for clear sound and call quality; a built-in microphone enables hands-free calling. Charging behavior and cases: the earbuds charge automatically when placed in the charging case and the case features a built-in battery and LED display. The product mentions a 500mah charge case and is also equipped with a mini portable 950mah charging case that can recharge the earphones up to 5x. Dual volume control & stereo bass sound: each earbud offers independent volume and track controls so you can adjust playback without touching your phone, and one earbud can operate alone in independent mode. Equipped with advanced chip.