[Hi-Fi Stereo Deep Bass and CVC8.0 Noise Cancelling: Equipped with advanced chip with AAC audio codex and premium 14.2mm dynamic driver wireless earbud deliver professionally-tuned immersive crystal-clear sound with a silky treble smooth mid and punchy bass. Bluetooth headphones are also combined with CVC8.0 noise reduction design and high quality microphone which can filter out outside noise allowing you to fully enjoy crystal clear calls and immerse yourself in the wonderful world of music. Bluetooth 5.1 Technology [2021 New] and One-Step Auto Pairing: Wireless headphones adopt advanced Bluetooth 5.1 which offers you an unparalleled audio experience with faster transmission speed stronger connection stability and longer range of bluetooth with no signal loss. Taken from the charging case bluetooth earbud will be paired with each other automatically and just select i21 on bluetooth list on your device to connect. In a matter of seconds you are in euphonic music world. Ultra-lightweight Earhook Original Designed for Sport: Adjustable soft and secure fit silicone ear hooks ensure the sports earbud stay comfortably firm in place when doing sports. Equipped with 3 pairs of different sizes of spare ear caps. Even do strenuous exercise the wireless earphones will not fall off. IPX7 waterproof effortlessly protects the sport headphones from heavy rain or sweat during intense workouts and all-weather conditions. Ideal for sports running jogging travel etc. Type-C Fast Charge and Individual LED Power Display: Bluetooth headset can get 8 hours play back from a single charge. Lightweight charging case supports 5 times of recharging for earbud wireless headphones gives up to 48 hours continuous music time. The upgraded Type-C charging port can provide faster and safer charging. LED power display on the case can help check the charging status of ear buds wireless earbud and charging case. Free to enjoy songs movies and gaming that will never stop! Touch Control Stereo and Mono Mode: Features with touch control sensors bluetooth headphones wireless allows you to conveniently power on/off play/pause skip songs answer/hang up adjust volume and access other functions at the touch of a button. Free your hands completely when you’re busy doing exercise driving or running. Besides bluetooth earbud wireless not only can be worked together for stereo music but also can be worked independently. Design for business and commute.]

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