✔ Aintel BLUETOOTH RUNNING HEADPHONES -- WITH 3 INTERNAL SOUND EFFECT : POP, ROCK and LIVE can be switched freely.Absolutely shocking voice, if you are not satisfied, you can unconditionally refund.✔ Aintel Team attention on customers service and headphones quality.Any question, feel free to contact us first before leaving feedback/review,we will reach you at the soonest and strive to fix the issue,Let you fully satisfied. Guarantee!CHOOSE US BLUETOOTH HEADPHONES 8 REASONS : ✔ Guarantee 100% original.✔ True high definition high fidelity stereo sound.✔ Designed for sports: IPX5 waterproof, sweat-proof, comfortable to wear with running and outdoor sports.✔ Bluetooth 4.1 + EDR,APTX support,CVC6.0 noise cancelling.✔ Longest usage time,about 8 hours music/calling time.✔ Can connect two devices simultaneously.✔ Control buttons and hands free calling.✔ Quality warranty and customer service.Operation Description (NOTE) : Headphone System Reset:headset connected state,the multifunction key ,volume up,volume down key while pressing for about three seconds,the headset can be a tone sounds.Voice Switching(Chinese/English):when the bluetooth headset was connected status,press the multi-functional button and lower volume button at the same time for 3 seconds.Package Included:1 × Bluetooth Headphones1 × Charge USB Cable3 × Eartips (S/M/L)2 × Ear Hook1 × User ManualAintel Team focuses on the highest quality Bluetooth headsets and best customer service.
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