And Night Sleep Single Battery Level IPX5 for Both Left and Right Bluetooth USB Portable Button Stealth Miniature Bluetooth Mini Wireless Hidden

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. [HIFI high sound quality] It can be played with HIFI high sound quality, has high sound insulation, and supports an equalizer that optimizes the volume, so you can enjoy high sound quality at any volume. The highly sensitive built-in microphone suppresses microphone noise during calls, and has high sound insulation, so it can be used for both hands-free calls and music listening. [Ergonomic design & Bluetooth 5.2+EDR] Ergonomically designed, lightweight design of only 3.7g per ear, comfortable fit and oneness that fits firmly to the shape of the ear, so you will forget you are wearing it, and it will not burden you even if you use it for a long time. You can use it comfortably without worrying about it falling off while moving. You can enjoy hands-free and music while driving, commuting to school, work, and exercising. In addition, the wireless earphones equipped with the cutting-edge Bluetooth 5.2+EDR have a stronger signal and a longer transmission distance of 10m. In addition, the faster data transmission speed reduces delays and noise. [2000Mah charging case included & loss prevention] Comes with a 2000Mah charging case, the product is designed using magnetic adsorption, not only to prevent the loss of Bluetooth earphones, but also to charge them repeatedly at the same time. The earphones are firmly adsorbed when stored, so there is no need to worry about losing or dropping them. With a full charge, you can play music continuously for up to about 5-7 hours in normal mode. Enjoy 5-7 hours of continuous music playback/5-7 hours of continuous calls. You can use it with confidence without worrying about running out of power. [Button design & free switching between single and double ear modes] Once the initial Bluetooth connection is complete, simply remove the earphones from the charging case and they will automatically connect again. The button design allows you to play/pause music, start/end/reject calls, adjust the volume, and more. The innovative [L/R single ear TWS technology] allows you to switch from double ear mode to single ear mode by simply putting one ear in the case. The other ear will continue to work without any effect. There is no need for complicated reconnection. [Technological Innovation & Low Latency] Sound delay has been greatly improved, achieving low latency. The audio is always synchronized with the video, allowing for superior gameplay and an immersive experience in videos and music. Low latency improves the experience of watching videos and playing games. With a 2000Mah charging case, the product is designed using magnetic adsorption, not only can the Bluetooth earphones be prevented from being lost, but they can also be repeatedly charged at the same time. The earphones are firmly adsorbed when stored, so there is no need to worry about losing or dropping them. With a full charge, you can play music continuously for up to about 5-7 hours in normal mode. Enjoy 5-7 hours of continuous music playback/5-7 hours of continuous calls. You can use it with confidence without worrying about running out of power. After completing the initial Bluetooth connection, simply remove the earphones from the charging case again to automatically connect. The button design allows you to perform all operations such as music playback/pause/call start/end/reject/volume adjustment. Since it adopts the innovative [L/R single ear compatible TWS technology], when switching from binaural mode to single ear mode, you can achieve it by simply putting one ear in the case. The other ear will not be affected and will continue to work. There is no need for complicated reconnection. Although we do thorough testing during production and shipping. If you receive the product or have any problems during use, please contact me! I will provide you with a satisfactory solution! Please contact us at Amazon. Please contact us through your order history via email.