productColour: Black★Service and warranty:- The product has a 45 day refund and a 24 month warranty. We also have a professional after-sales service team that can handle everything correctly within 24 hours.If you have any questions or suggestions, please feel free to contact the seller and provide a 24-hour friendly email response! Thank you for your support!★ Thick bass makes the music even better:--- Built-in Bluetooth headset chip can make music more pleasant, which is a good choice for people looking for high quality music.★ Ergonomic design:--- In-ear design with 3 pairs of different sizes of silicone heads, you can find the most suitable port, the internal hook helps to fix the port in place and can be moved.specification:Compatible with Bluetooth V5.0Support: A2DP, AVRCP, HFP, HSPTransmission power: level 2Working distance: ≤10m (access)Frequency range: 2.4026GHz - 2.480GHzCharging time: 2HTalk time: about 7-9HMusic time: about 6-8HStandby time: about 300HNoise reduction: 6.0package:1 *headphone3 * earplugs 1* ear hooks1 * USB charging cable1 *English User Manualnote:1. If you are not going to use it for a long time, please completely load it and place it in a cool and dry place. Please charge it every 2 months for storage.2. Please fully charge when using for the first time.
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