Nouveaux écouteurs sans fil Lenovo XT55 Bluetooth 5.4, longue durée de vie de la batterie, casque stéréo HiFi à réduction de bruit, casque de sport avec microphone

Feature: 1.[Ergonomic Design / Comfortable Fit]: Features an ergonomic sloped structure with three-point arc support to fit various ear shapes, ensuring a pressure-free and lightweight experience even during long wear. 2.[13mm Large Driver / Immersive Audio]: Equipped with a 13mm titanium-plated composite driver for deep bass, smooth midrange, and clear treble, delivering a layered and impactful music experience. 3.[Dual Microphone HD Calls / Precise Transmission]: Noise-reduction technology ensures crystal-clear voice calls, even in noisy environments, for an in-person communication experience. 4.[45-Hour Battery Life / LED Power Display]: Long-lasting battery with up to 45 hours of playback when combined with the charging case; the LED display keeps you informed of the remaining power. 5.[Bluetooth 5.4 Chip / Stable Connection]: Advanced Bluetooth 5.4 technology provides a 90% boost in transmission speed, ensuring lossless audio, ultra-low latency, and seamless connection. 6.[Touch Controls / Universal Compatibility]: Intuitive touch controls allow you to manage calls, music, and voice assistants effortlessly. Widely compatible with mobile phones, tablets, laptops, and other Bluetooth devices. Specification: [Model]: Lenovo XT55 [Bluetooth Version]: V5.4 [Speak Unit]: 13 mm [Battery capacity]: 40mAh [Usage Time]：About 45 hours [Charging Time]: About 1.5 hour [Frequency Range]: 2.402-2.480KHz [Transmission Distance]: Up to 10 meters / 33 feet [Charging Compartment Battery Capacity]：400mAh What's in the box： 2*[Bluetooth Earphones] 1*[Charging Case] 1*[USB Cable] 1*[User Manual] 4*[Earbud] FAQ: 1. Are they comfortable while wearing? Yes, the headphones are designed to fit most ear sizes, ensuring a comfortable and secure fit even during prolonged use. The over-ear hook design ensures a stable fit without pinching your ears. 2.Do they have a low-latency mode for gaming? Yes, the headphones include a low-latency mode to reduce audio lag, making them suitable for gaming. 3.Are these headphones compatible with all devices? These headphones are compatible with devices that support Bluetooth, including Android, iOS, Windows, and macOS devices. 4.Do these headphones support multi-device connection? No, these headphones can connect to only one device at a time. To switch devices, disconnect from the current device and pair with the new one. 5.Can I use only one earphone at a time? Yes, the earphones support mono mode, allowing you to use either the left or right earphone independently. 6.How long does the battery last? On a full charge, the headphones provide up to 4.5hours of playback time, and the case provides additional charges for a total of up to 45 hours of use. 7.What is the Bluetooth range of these headphones? The headphones support a Bluetooth range of up to 10 meters (33 feet) in an open environment. 8.Are these original Lenovo earphones? Yes, these are 100% original Lenovo earphones. 9.Do they pair automatically with the phone or do I have to connect manually each time? Yes, of course. It will automatically connect with your device after first-time use. 10.Can I activate Siri or other voice assistants with these headphones? Yes, you can activate Siri by long pressing the left earphone button for 2 seconds. For other voice assistants, check compatibility with your device.