Mini Wireless Bluetooth5.2 Earbud In-Ear Stereo Earphone Sport Headset Headphone Features: Bluetooth 5.2: Bluetooth 5.2 technology ensures a strong and stable signal, transmission is faster, power consumption is lower, and transmission distance can be up to 33 feet away. Button Control & Comfortable Fit: One button controls all feature, power on/off, next song, play/pause, hang up, answer, reject, pairing. Perfect fit any ear. Fully symmetrical design, left and right ear both are fit. Ergonomic Design: you do not have a little pain even if used for five or six hours, very comfortable. Wide Compatibility With Smart Devices: Compatible with smart device built-in bluetooth function, like phone, pad, tv etc. Portable to Carry: Easy to charge anywhere and carry it with you, you can stuff it in your jeans pocket, in your backpack, or even in a bigger wallet. Specifications: Bluetooth Standard: Bluetooth V5.2 Operation Range: 10m/33FT Talking Time: Up to 5 Hours Playing Time: Up to 5 Hours Standby Time: Up to 180 Hours Charging Time: 1-2 Hour Charging Voltage: DC/5V Battery Capacity(Bulit-in): 50mAh Package Included: 1* Mini Bluetooth Earpiece In-Ear 1* Charging Cable