Model: K508
Bluetooth version: 5.4
Color: All colors shell
Earplug battery: 40mAh
Charging case battery: 300mAh
Charging time: 1-2 hours for charging
Voltage: 3.7V
Input voltage: 5V
Transportation packaging: gift box packaging
Specifications: CE, RoHS, FCC certification
Trademark: AiL
Origin: Shenzhen, China
HS Code: 8517629900
Capacity production time: 500000 pieces per month
The AiL K508 metal wireless Bluetooth earphones feature a sleek and modern design with premium metal construction, offering durability and a sophisticated look. The sturdy metal body ensures long-term use while maintaining a lightweight feel for everyday comfort. This makes the earphones perfect for both casual use and professional environments where quality and style are paramount.
Equipped with the latest Bluetooth 5.4 technology, the K508 wireless Bluetooth earphones deliver a stable and high-quality audio experience. Bluetooth 5.4 ensures a faster pairing process and a stronger signal, improving the range and reducing the chance of interruptions. This makes them ideal for use in large spaces or crowded environments.
These earphones are powered by a 40mAh earbud battery and a 300mAh charging case, offering up to several hours of continuous use. The quick charging time of 1-2 hours ensures that the earphones are always ready for use. With long-lasting battery life, users can enjoy uninterrupted music or calls throughout the day without worrying about constant recharging.
The AiL K508 Bluetooth earphones come packaged in a stylish gift box, which adds an extra touch of class, making them an excellent choice for corporate gifts or promotions. The packaging ensures the products arrive safely and presents them attractively, ideal for businesses to purchase in bulk.
The AiL K508 wireless Bluetooth earphones are CE, RoHS, and FCC certified, ensuring that they meet all relevant quality and safety standards. These certifications guarantee that the product adheres to international standards, making it a reliable and trusted choice for businesses looking to supply high-quality wireless earphones to their customers or use them for events.
These metal wireless Bluetooth earphones are perfect for a wide range of applications, from personal use to corporate gifts and promotional giveaways. The K508 model is compatible with most Bluetooth-enabled devices, including smartphones, tablets, computers, and audio equipment. Their lightweight design and long battery life make them perfect for both business professionals and customers on the go.
At AiL, we provide options for bulk orders and customization to meet the needs of businesses worldwide. With a production capacity of 500,000 pieces per month, we ensure quick and reliable delivery. Whether you’re looking to place a large order for retail distribution, promotional giveaways, or corporate branding, we are here to meet your requirements.

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