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[ENC Noise Canceling & HiFi Stereo Sound ] Wireless headphones with microphone equips ENC noise reduction and software call noise reduction algorithm, which makes the call sound quality clearer. Bluetooth earbuds has titanium dome composite membrane moving coil speakers. The HiFi stereo sound of the wireless earphones provides a wider sound field and a shocking low frequency experience. [Smart Touch Control & Comfortable Fits] ACEFAST wireless earbuds for iphone supports touch control of every single earbud, you can easily control answer or hang up calls, play or pause, volume up or down, switch songs ect without operating the phone. [Advanced Bluetooth Chip & Auto Quick Pairing] The noise canceling wireless earbuds adopts high computing power Bluetooth chip solution, which has stable signal and clear sound quality without attenuation. Wireless earphones can achieve simple and high-speed automatic connection. Adopting hall switch,after the first connection, it will connect with your device as soon as the charging case opens. [LED Digital Display & Colorful Design] Accurate LED display of the power of charging case and both earbuds, allowing you to know the power status of the wireless earbuds and charging case at any time. This series of Bluetooth earphones with translucent charging case, futuristic texture, 5 different colors. The waterproof earbuds can effectively prevent splash damage caused by sweat and raindrops. Product Specification: Paired Name: BT30 Chip model: Jerry AC6973d4 Bluetooth version: 5.3 Talk time: approximately 3H Music battery life: approximately 3H( Headphone charging time: 1.5 Charging time of the charging compartment: 2 hours Charging compartment capacity: 100mAh Horn size: 8mm Response frequency: 110db at 1KHR Impedance: 32 ohms Bare machine with charging compartment weight: approximately 33g Box weight: approximately 101g Products include 1 * One pair of Bluetooth headsets 1 * Charging box 1 * Charging cable 1 * User Manual