Description: [ 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. [ Smart touch control ] A1 earbuds supports dual ear touch control, providing convenient operation on volume control, previous/next song, pause and answer calls along as well as voice assistant control. [ 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 5.5 hours for normal use (60% volume), and the charging bin lasts 22 hours for 3 charges, which gives you excellent experience of long endurance. [ Ergonomic Design & Come with different size ear tips and secure fit design ] Mini and comfortable design earbuds, secure fit all shape of ears, so 100% safe and stable while running, biking, training, jogging, hiking, exercising Gym Exercise and so on. What's in the box: TOZO A1 Wireless Earbuds (L & R)Wireless Charging Case5 pairs of Eartips (XS/S/M/XL/XXL)USB-C Charging CableQuick Guide & User Manual Ergonomic DesignThe shape of A1 perfectly fits the curve of inner contour of ear.With round soft silicone Earplugs, it can offer more wearing stability and comfort when in use.Whether you' re running or jumping, the earbuds will stay in ear securely.The Advanced Bluetooth 5.3 TechnologySupport HSP, HFP, A2DP, AVRCP. Provides in-call stereo sound.Greatly improve the transmission speed and providing you with a low-latency listening experience.IPX5 Waterproof ProtectionIPX5 Waterproof Nano-coating efficiently protects the earbuds and charging case from the damage of the splash by sweat and raindrops.Ergonomic DesignThe shape of A1 perfectly fits the curve of inner contour of ear. Mini sized to be right for small ear.With round soft silicone Earplugs, it can offer more wearing stability and comfort when in use.Whether you' re running or jumping, the earbuds will stay in ear securely.One Step PairingPick up 2 headsets from the charging case and they will connect each other automatically.Then only one step easily enter mobile phone’s Bluetooth setting and choose "TOZO-A1" to pair the earbuds.Special Design For ergonomic Ear TipsEar curve in accordance with ergonomic design, less pressure in the ears, long wear without fatigue. light as a featherThe single earbuds weighs only 3.7g, making it as light as a feather and discreet in the ear,Wearing without feeling, so that you will not be uncomfortable to wear this headset for a long time.The Advanced Bluetooth 5.3 TechnologySupport HSP, HFP, A2DP, AVRCP. Provides in-call stereo sound.Greatly improve the transmission speed and providing you with a low-latency listening experience.Easy to carryWith Small size, the A1 is more suitable for carrying, outdoor sports, cycling, crawling and so on , and more convenient to carry.Let you enjoy music in anytime,and anywhere.