Advanced Bluetooth 5.3 and One-Step Pairing: Features with the advanced bluetooth 5.3 technology, Q13 wireless headphones support HSP HFP A2DP AVRCP, which provides instant pairing and stable transmission without interruptions. Bluetooth transmission range can reach 10 meters away. After the first connection, these bluetooth headphones will automatically connect to your device as soon as you open the charging case. It is very convenient for daily use.Hi-Fi Stereo Sound and CVC8.0 Noise Reduction: Wireless earbuds powered by 13mm dynamic driver with AAC codec for consistent music streaming without compromising on audio quality. Besides, bluetooth earphones adopt CVC8.0 noise cancelling technology, can suppress 80% of the interfering background noise in the calling environment, allowing the other side to hear you more clearly, improving the quality of calls for both parties and making communication more efficient.Ultra Lightweight and IP7 waterproof: Comes with a compact and lightweight charging case, this mini headphones wireless is only 3 grams with an ergonomic design, so you can feel comfortable for a long time, whether you are running or working. IPX7 waterproof can effectively prevent the earphones wireless bluetooth from the damage of sweat and raindrops, extend the life of the ear buds wireless earbuds.