For TCL ION Z/X — Ear-Hook TWS Bluetooth Earphones, Over-Ear True Wireless Stereo with Charging Case & Hands-Free Mic

Open-ear design: These ear-hook wireless headphones avoid the discomfort of in-ear or fully over-ear styles, keep the ear canal cleaner and let you stay aware of ambient sound while listening. Built for comfort during extended use. Auto power & pairing: Remove the earbuds from the charging case and they will power on and auto-pair with each other, announcing "pairing" by voice. Once the two earbuds are paired, connect them to your phone via Bluetooth. Button controls: Single press to play or pause music; single press to answer or end calls. Left earbud double-click lowers volume; right earbud double-click raises volume. Left earbud triple-click skips to the previous track. Outstanding audio & calls: HD stereo output and noise cancellation technology deliver clear, high-quality sound and call clarity. A built-in microphone enables hands-free calling. Charging case features: The earbuds charge automatically when placed back in the case. The product is described with a 500mah charge case, and is also shown as equipped with a mini, portable 950mah charging case that supports recharging the earphones up to 5x. The charging case includes a built-in battery and LED display. Independent controls & bass: Each earbud provides independent volume and track control so you can adjust playback without using your phone, and a single earbud can operate in independent mode. The earbuds are powered by an advanced chip for reliable performance.