[Ultra Lightweight and Compatible for Small Ear] The surface and Angle of A1 earbuds in-ear part have been polished and refined repeatedly to achieve a balance between beauty and comfort and make it comfortable to wear. Likewise, a single earbud weighs only 3.7g, making it as light as a feather and discreet in the ear. Ergonomic design provides a comfortable and secure fit that doesn?t protrude from your ears especially for sports, workout, gym. [Stereo Sound Quality] TOZO A1 earbuds?6mm diameter speaker presents a powerful and wide sound range, which makes the treble full of dynamics, and the bass powerful.Adopt advanced Bluetooth chip makes the sound played by the earphones much more beautiful and pleasant, suitable for sports or home work. [32 Preset Modes with TOZO App] Connecting to the TOZO app offers access to extra features, which tailoring the sound output to suit your personal preferences. Whether you prefer stronger bass or more balanced sound, these earbuds give you the flexibility to follow your fine-tuned audio. [Bluetooth 5.3 Long Distance Connection] With Bluetooth 5.3 technology A1 has superior sound quality and strong signal, so that there is no disconnection in listening music or making phone calls within 12 meters. [Long Battery Life] With headphone 40mAh capacity and charging bin 400mAh capacity. The earbuds lasts 7 hours for normal use, and the charging bin after fully charged via USB A to USB C charging cable, which can enjoy extending 32 hours of playtime, equivalent to listening to 480 songs without missing a beat. Product Description Feel Free to Wear The shape of A1 mini sized perfectly fits the curve of small ear and comfort when in use. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. TOZO App The TOZO app has 32 preset EQs and access to over 2,000 personalized EQs shared by global audiophiles. Bass Enhancement The diaphragm utilizes a high-elastic polymer to enhance flexibility, resulting in deep, rich bass. Bluetooth 5.3 Greatly improve the transmission speed and providing you with a low-latency listening experience. Easy to Carry With small size, the A1 is more suitable for carrying. One Step Pairing Pick up 2 headsets from the charging case and they will connect each other automatically. Hours of Total Playtime The earbuds last 32 hours for normal use. 1 Bass Enhancement 2 Bluetooth 5.3 3 Easy to Carry 4 One Step Pairing 5 Long Battery Life Ultra Lightweight Design A single earbud weighs only 3.7g holding it in hand as if it were nothing. Weightless Comfort Compact and lightweight design for a barely-there feel, ensuring ultimate comfort. True-to-Life Lossless Sound Featuring high-quality diaphragms, these headphones enhance resolution and detail. Coupled with TOZO OrigX Acoustic Technology, they achieve a frequency response curve tailored to the human ear canal, delivering an authentic lossless audio experience.