Specification: Bluetooth: 5.0 Frequency: 2,40 GHz-2,48 GHz Range: 20m Transmission bandwidth: 20Hz-20kHz Supports A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Battery: 400mAh Charging: about 1-2 hours Charging: USB (power supply) maximum: Talk time: 8h maximum:Music listening time: 7h maximum: Standby time: 200h color white Package includes: 1 * Headphones 1 * USB charging cable 1 * User Manual Unique voice Befriend the best surround sound quality you've never experienced. Enjoy the unique sound of your favorite music anytime, anywhere, no na where you are. Despite its small size, completely wireless Bluetooth headphones will surprise you with their high sound quality and great microphone. Quality and technology The highest quality of materials used in combination with the latest technology guarantees a beautiful and natural sound with clear bass (bass). see na own ears Sports style When designing the headphones, the focus was na their ergonomics to make them comfortable and allow na long listening sessions. Perfect na any occasion, these headphones are extremely versatile thanks to their sleek design and sporty feel. Excellent sound effects without interference The unique design of the headphones allows na to listen to music in excellent quality. With microphone noise cancellation technology, callers can hear you constantly during phone calls. Comfort comes from careful design The headphones are designed to fit different head shapes, creating a perfectly isolated space filled with amazing sound. Breathable mesh paddinga of the headband distributes weight evenly, reducing the pressure of the headphones na head. In addition, the stainless steel frame is wrapped in a soft-touch material. Creates a great, complementary combination that guarantees durability, flexibility and comfort. Not afraid of water (IPX protection) They are not afraid of adverse weather conditions. No na what kind of workout you do, nothing na you from enjoying music. The headphones are waterproof according to IPX standards, which means you can take them na swimming, showering, running in the rain and more. They can survive even a short immersion in water. Maximum efficiency Full charge time is only 2 hours. A fully charged battery allows you to listen to your favorite music or audiobooks for up to 7 hours of continuous playback. When not in use, the headphones can run up to 15 hours in standby mode.