Wireless Earbuds Bluetooth in Ear Light-Weight Headphones Built-in Microphone Immersive Sound with Charging Case Specification: Product Name: Bluetooth Earbuds Product color: Black Material: ABS Gross weight:0.22lbs(100g) Product size:6.8x5.1x3.3cm/2.68x2.0x1.30inch Package size: 15x7x4cm/5.90x2.76x1.58inch Features: New Version Bluetooth 5.1: The wireless headphones are equipped with Bluetooth 5.1. lower power performance and more stable connections. Ergonomic Design for Sport: 45° in-ear design, suitable for both small and large ears for all day comfortable wear. Equipped with soft ear hooks, it will not fall out even with strenuous exercise like running HD Stereo Sound & Clear Call Performance,Engineered with quality speakers, these bluetooth headphones bring you wide sound range, highs and. Stereo surround sound for pleasing sound quality, let you like being in a concert hall. Auto quick Pairing & Easy ,When you take out wireless headphones from the charging case, they will automatically turn on & connect to the previously paired device. Compared with traditional physical buttons, finger control is more convenient and easy. Without pressing hard, you can easily change volume/play or pause music/activate voice assistant/answer or end or reject a phone call. Super easy to use for most ages IPX5 can effectively the earphones from the damage of sweatproof, made for sports/workout/running/travel etc. Panoramic surround sound ,Breakthrough acoustic boundary, use of three-dimensional panoramic sound field technology to present a more immersive sense of sound Equipped with a new noise reduction chip, brings powerful noise reduction computing power, real- monitoring of internal and external noise, and intelligent production of its opposite signal to offset, effectively decrease external environmental noise and low-frequency noise, noise reduction depth up to 40dB Package Include: 1x Wireless Earbuds 1x USB charging line 1x Charging Case 1x Specification