caijin M51 Wireless Earbud

200mAh Case and 4H Playback: The included charging case houses a large 200mAh battery, enabling 2 additional charges for both bluetooth ear buds, resulting in a total of 4 hours of continuous playback.Each M51 earbud features a 30mAh battery, providing 4 hours of continuous music playback time.With 2 hours of daily use, the case provides a daily worth of power without needing to recharge.The charging case supports USB-C charging and can be fully replenished in just 2 hours.

Digital Power Display and IPX7 Waterproof: The LED power display on the top of the charging case allows for effortless checking of the remaining power of the case and the charging status of both wireless earphones. These wireless headphones are equipped with an IPX7 waterproof nano-coating on their internal components, ensuring complete protection against sweat and moisture immersion. Simply place both earbuds back into the charging case and close the lid to initiate charging for both headsets.

Smart Touch Control and Clear Stereo Audio: With smart touch control, you can easily control play/pause, skip to previous/next track, adjust volume, answer/end calls, enable voice assistance, and more. This makes it very easy to control music and video playback via these wireless bluetooth earbuds. With 10mm speakers and the latest chips, our M51 bluetooth headphones can deliver powerful bass, clear mids, and bright treble that can immerse you into music.

Bluetooth 5.4 and Auto Connection: With the latest bluetooth 5.4 technology, our M51 wireless earbuds swiftly and reliably transmit device signals, ensuring seamless music playback and call quality without any delay or signal degradation.Our M51 bluetooth wireless earphones are designed with a hall switch, enabling automatic connection when the case is opened. Once initially connected, both earbuds will remember your device and automatically reconnect when the case is opened again

Secure Wingtips and Comfort Wearing: Package comes with wingtips in M and S sizes,a secure fit for the earbuds during exercise. Additionally, you'll find 4 ear cap sizes (XL, L, M, S) to choose from. The M size wingtips and ear caps are conveniently pre-installed on the left and right ear buds. With a variety of sizes available, you can select the most comfortable ear caps for a personalized fit. These bluetooth wireless headsets are perfect for daily use, driving, work, and sports activities.