Product Specifications: Compatible Smartphones: Compatible with any smartphone regardless of OS, with Bluetooth audio functionality, including iPhone 8, iPhone X, Android, etc. Music Playback Time: Approximately 3 hours Charging Time: Approximately 60 minutes Talk Time: Approximately 3 hours Transmission Distance: Approximately 10m (varies depending on the environment) Colors: Colors shown in the top image (available in white, blue, and pink). If you desire a color other than those in the top image, please contact us via comment after purchase. Accessories: ・Wireless earphones (both ears) ・Charging and storage box ・USB charging cable (Lightning connector x USB connector) ・Instruction manual About the Product: ・Equipped with Bluetooth 5.0, with a transmission distance of approximately 10m, allowing for comfortable use even during crowded commutes. ・High-performance, high-quality sound model. Dedicated audio engineers have made adjustments to achieve clear and balanced sound quality. ・IPX5 waterproof design, making it resistant to water and versatile for use during running, weight training, and other sports. ・Rechargeable with a Lightning cable, making it recommended for iPhone users. ・The size is very compact at 56.1mm x 43.8mm, making it easy to carry. ・Features a matte texture that is resistant to fingerprints and scratches, giving it a luxurious and stylish appearance. Connection Method: ・Turn off Bluetooth on the device you want to connect to. ・Take both earphones out of the case and turn them on. ・After a while, the earphones will automatically connect to each other (one earphone will stop flashing red and blue). ・Finally, turn on Bluetooth on the device you want to connect to, and the connection is complete. Notes: ・This product is not made in Japan, so there may be small stains or scratches. Please refrain from purchasing if you are concerned about this. ・This is not an Apple product. ・The product will be shipped without a box, wrapped in bubble wrap.