[Bone conduction technology]: This bone conduction earphone adopts advanced bone conduction technology, which transmits audio through the cheekbones instead of air, avoiding the damage to the eardrum caused by long-term air conduction audio. Open-ear design for long wearing comfort [Comfortable to wear]: The sound passes through the bone conduction to say goodbye to the pain when wearing traditional earphones, effectively preventing otitis media, making it safer and more comfortable for the wearer to feel more comfortable and free to wear [32G Memory MP3]: This wireless earphone has built-in 32G memory, which can store about 10000 songs. When not connected to a mobile phone, no other accessories are required, and it can still be used as a convenient MP3 [Use version 5.0]: Compared with the lower version of wireless, the connection speed of version 5.0 is faster and the connection effect is more stable. Concurrent connections consume less power than before [APPLICABLE FOR MULTIPLE SCENES]: This IP68 sweatproof and waterproof sports earphones are suitable for exercise, sports, running, swimming, cycling and daily use. Can also be used as a surprise gift for family and friends Headphone Bluetooth name: Y8 Waterproof level: IP68 Storage capacity: 32GB Bluetooth version: 5.0 Support Bluetooth protocol: AVRCPI.4 A22DPI.2 HFPI.6 HSPI.2 Mark Sensitivity: -37dB±2dB Transmission distance: 10 meters Charging voltage: 5V 500mA Supports multiple music formats: MP3/WMA, WAV/APE/FLAC Frequency response: 20Hz-20KHz Temperature range: -30Celsiusto70Celsius Note: The data cable is not waterproof, please do not get wet type: B Colour:blue Material: ABS Package Contents: 1 x Headset 1 x Usb Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.