True Wireless Technology
Bluetooth 5.0 chip | 500mAh charging box | IPX5 waterproof
Automatic Pairing and Charging
Using the latest Bluetooth 5.0 technology, the earphones can automatically switched on and connected instantly when it is removed from the charging box, simplifying the complicated matching steps, putting it back into the charging bin it will shutting down and charging automatically.
Fever Hi-Fi Sound Quality
Bluetooth 5.0 chip has built-in high-resolution decoder and Hi-Fi AAC/SBC coding technology, with 6mm strong magnetic coil, the speaker sensitivity reaches 108 dB, the bass is wider, three-frequency equalization, each song is refreshing to your ears.
Single / Dual Connection Mode
Single Ear Wearing. Make hands-free while driving or working, makes calls become easier and safer.
Dual Ear Wearing. Wireless gives you more freedom and enjoy better quality wireless stereo.
Innovation Battery Life+Mobile Charging
Ultra-low power consumption, so that the two earphones can be listened for 4 hours with fully charge（6 h with Bluetooth 5.0 device）. The box is both a storage box and a mobile charging box, 500 mAh large capacity battery, charging at any time, it can provide about 25 hours of battery life（40 h with Bluetooth 5.0 device）.
CVC Intelligent Noise Reduction
Tiso i4 true wireless earphones, built-in dual microphones and support binaural stereo calls, with CVC intelligent noise reduction, will makes your call still clear in noisy environment.
Comfortable to Wear
Only 3.5g, mini size, precise fit the ear canal, it will not fall off even during the vigorous exercise firm, with the working status of non-flash design, to achieve the hidden effect that is difficult to detect.
IPX5 Deep Waterproof
Structural waterproof design, successfully prevent sweat invasion, can be used at outdoor sports in rainy days, fearless of the sweat in the gym.
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