TWS Ear-hook Bluetooth Earbuds for TCL 4X 5G, 40 X 5G/NxtPaper — Open-Ear True Wireless Stereo with 500mah Charging Case & Hands-free Mic

Open-ear ear-hook design that avoids the discomfort of in-ear or over-ear styles, keeps the ear canal hygienic and still lets you hear ambient sound while listening to music. Compatible with TCL 4X 5G, 40 X 5G/NxtPaper. Auto power-on and pairing: remove the earbuds from the case and they power on and automatically pair with each other, with a voice prompt saying "pairing"; once the two earbuds pair, connect them to your phone via Bluetooth. Button operation: single press to play/pause music or to answer/end calls; left earbud double-click to lower volume, right earbud double-click to raise volume; left earbud triple-click for previous track. Sound and calling: HD stereo audio with stereo bass and noise cancellation technology for clear playback; built-in microphone enables hands-free calling. Charging case and battery: mini portable charging case with built-in battery and LED display — 500mah capacity; earbuds begin charging automatically when placed in the case. The 500mah case supports recharging the earphones up to 5x. Additional features: each earbud has independent volume and track controls so one bud can be used alone in independent mode; equipped with an advanced chip for stable performance.