【2025 Upgraded Bluetooth 5.4 with 0.1s Ultra-Low Latency】The Rinsmola G21Pro Bluetooth headphones adds Bluetooth flash pairing technology to the latest Bluetooth version 5.4 for fast pairing in seconds. Compared to the previous version, power consumption is reduced by 30%, signal stability is improved by 35% and interference immunity is increased by 45%. Ensure audio and playback are synchronized for an immersive entertainment experience. After the first pairing, Bluetooth will automatically connect to the G21Pro ear bud once the charging case cover is opened.

【Immersive Hi-Fi Sound, ENC Clear Call】Rinsmola G21Pro Bluetooth earbuds feature 14.2mm graphene drivers and triple-layer composite diaphragm restore the lively, detailed sound (boost bass by 85%), so stereo sounds are crisp, clear, and balanced. ENC noise cancelling wireless earbuds filters out 75% environmental noise, allowing you to enjoy crystal clear calls, as if you are communicating face to face with others.

【Zero Pressure Wearing Experience, IP-X7 Waterproof】Rinsmola G21Pro wireless headphones are ergonomic and equipped with 3 size ear caps(S/M/L), designed for different ear shapes to ensure a comfortable fit. Each in ear headset weighs only 3.6g (0.13oz), charging case only 34g and can be easily stowed in pocket. Through the use of ultra-light nanomaterials, the wireless headsets reach IP-X7 waterproof grade, dust and rain proof, the extreme lightness. Great for gym, workout and sports.

【36Hrs Playtime, Real-time LED Power Display】The ear buds wireless can last 6-8 hours playtime from a single charge and provides extra 36 hours playtime with charging case. Dual LED battery display design, You can precisely control the power status of the charging box and each wireless ear bud when in charging. Equipped with USB-C cable offers you more quick and stable charging.

【Smart Touch Control, Powerful Compatibility】The Bluetooth earphones adopt high-precision touch chip, simple and easy to use, which can help you easily realize play/pause, adjust volume, switch songs, answer/end calls and activate Voice assistants and more. Beside, wireless earphones compatible with all Bluetooth enabled devices such as cellphones, tablets, computers, TV, ect. Experience limitless music.