T9S Twins True Wireless Stereo Music Ear-hook Sports CSR 4.1 Bluetooth Earphone Bluetooth Version:4.1. Frequency: 2.4GHz. Wireless range: one for above 50m, and a set for above 20m. Receive sensitivity: -90dBm. Battery capacity: 80mAh for left and right one. Work time: 6-8 hours, Stand-by time: 300hours, Charging time: 1.5 hours. Support one match two,connect two device. Adopt the advanced CVC6.0 active noise-cancellation. Built-in superior HD microphone, provide clear and loud sound Adjustable earhook desigh ensure the earphone fit on different ears and ensure all-day wearing comfort. Announce coming caller's phone number,with voice recognition technology you can easily know who's calling without take your phone out from your pocket. Sweatproof technology protects this Bluetooth headset from sweat, and coffee spills, so you can wear It in the office or at the Gym. CVC 6.0 noise isolation technology intelligently filter wind or background noises, enable clearer sound experience when calling in crowds, and while listening to music. Package List: 2 * Headphone 3 * Ear Cap 1 * Charging Cable 1 * User Manual
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