For the wireless headphone, use only 3AAA 1.2V 600mAh Nickel Metal 
Do not dispose of the batteries in a fire. The cells may explode. Check with local codes for possible special disposal instructions.
Do not open or mutilate the batteries. Released electrolyte is corrosive and may cause damage to the eyes or skin. It may be toxic if swallowed.
Exercise care in handling batteries in order not to short the battery with conducting materials such as rings, bracelets, and keys. The battery or conductor may overheat and cause burns.
Do not attempt to rejuvenate the batteries identified for use with this product by heating them. Sudden release of the battery electrolyte may occur causing burns or irritation to eyes or skin.
When inserting batteries into this product, the proper polarity or direction must be observed. Reverse insertion of batteries can cause charging, and that may result in leakage or explosion.
Remove the batteries from this product if the product will not be used for a long period of time(several months or
Do not store this product ,or the batteries identified for use with this product, in high temperature areas. Batteries that are stored in a freezer or refrigerator for the purpose of extending shelf life should be protected from condensation during storage and defrosting.
adapter
CV 890 specifications
The COBY Electronic CV 890 is a versatile and user-friendly portable multimedia player that is designed for those who appreciate the convenience of having various entertainment options in a compact device. This innovative device combines modern technology with practical features, making it an excellent choice for music lovers and multimedia enthusiasts alike.One of the standout features of the CV 890 is its compatibility with multiple formats. It supports various audio and video formats, including MP3, WMA, AVI, and JPEG, providing a wide array of options for content playback. This versatility allows users to enjoy their favorite music, movies, and photos without the hassle of converting files to specific formats.
The CV 890 also boasts a bright and vibrant display, perfect for viewing videos and images. Its LCD screen delivers clear visuals, making it a suitable option for watching movies while traveling or on the go. The user interface is designed for easy navigation, enabling users to quickly access their media libraries.
Another key characteristic of the CV 890 is its impressive storage capacity. With the ability to accommodate external memory cards, users can expand their storage to hold thousands of songs, movies, and photos. This feature is particularly beneficial for those who like to maintain an extensive media collection, ensuring that their favorite content is always available at their fingertips.
Audio quality is another significant aspect of the CV 890. Equipped with built-in speakers and a headphone jack, it provides high-quality sound whether you're listening alone or sharing with friends. The device also features equalizer settings that enable users to customize their listening experience based on personal preferences.
The CV 890’s battery life is remarkable, allowing for extended use without frequent recharging, making it ideal for long journeys, outdoor activities, or just relaxing at home. Additionally, the compact and lightweight design of the device ensures it is easily portable, fitting conveniently into bags or pockets.
In conclusion, the COBY Electronic CV 890 combines multiple features and technologies to deliver a reliable multimedia experience. With its extensive format compatibility, quality display, expandable storage, and excellent audio capabilities, it stands out as an impressive choice for anyone seeking a portable entertainment solution. Whether you're looking to enjoy music, watch movies, or view photos, the CV 890 caters to all your multimedia needs, providing unparalleled convenience and enjoyment.