Écouteurs Bluetooth invisibles sans fil 5.0 TWS intra-auriculaires, petits écouteurs mains libres, réduction du bruit, casque de sport avec étui de chargement

Specification Bluetooth Chipset: 5.0+EDR Working range: 12-15 meters Frequency range: 20HZ-20KHZ Earbud weight: about 3.7g Earbuds with charging case: 34g Microphone sensitivity: 42db Drive sensitivity: 98db+5db Earplug working time: more than 5 hours Standby time: 150 hours Feature 1. It is painless to wear for a long time 2. Newly upgraded Bluetooth 5.0 measured 12-15 meters long-distance connection, using low-power 5.0 smart chip, faster connection, stable transmission, bid farewell to the era of intermittent calls 3. Small size, especially suitable for small ears, hidden in the ears and hair. 4. Use in person or in pairs, one-key control, easy to use, Common operating step 1. Power on switch: press and hold for more than 3 seconds to turn on, and more than 5 seconds to turn off 2. Call mode: incoming call status, short press to answer, long press to reject the call, short press to hang up 3. Summon assistant: long press for 2 seconds to wake up Apple's Siri assistant 4. Music mode: short press once to play/pause, three times to play the next song 5. When the power-on indicator flashes alternately in red and blue, press the button twice to switch between Chinese and English prompts Please read the following carefully before placing an order 1. "Invisible" here refers to being small and easily hidden in your hair and ears, and doesn't mean disappearing completely. 2.. This is medium bass, not suitable for people who like heavy bass 3. Not spy earbuds, semi-in-ear, not deep into the ear canal. 4. The microphone is a bit weak, not suitable for people who are mainly used for making calls. Packaging Included Wireless headset*1 micro usb cable*1 Silicone earplugs*1 Charging compartment*1 Headphone storage bag*1 User Manual*1