Soundcore by Anker Life U2i wireless headphones

Dynamic sound drivers with 10 mm size: provide high-quality performance with an excellent balance between bass and treble. BassUp technology: automatically enhances low frequencies (bass) to deliver a rich sound experience. Microphones and connectivity: equipped with dual microphones with environmental noise reduction (ENC) technology to improve call quality, even in crowded environments. Bluetooth 5.0 support: ensures a stable and fast connection with devices, with a range of up to 10 meters without interruption. Battery and charging: high-efficiency lithium polymer battery providing 22 hours of continuous operation. Fast charging technology: gives you 3 hours of use with just 10 minutes of charging. Internal electronic design: printed circuit board (PCB): designed to ensure energy efficiency and reduce delay in signal processing. Thermal resistance: operates efficiently even at high temperatures to ensure stable performance. Additional features: IPX5 water resistance: withstands water spray and sweat, making it suitable for workouts. Smart magnetic technology: earbuds contain a built-in magnet to keep them together when not in use. Smart power management: auto-off feature: earbuds automatically turn off when not in use to preserve battery life. Power saving: uses low-power electronic circuits to increase operating time. Control options: buttons on the neck strap: to control volume, play/pause music, answer/reject calls. Supports voice assistants like Google Assistant and Siri. Technical specifications: Frequency range: 20 Hz to 20 kHz. Impedance: 16 ohms. Input voltage: 5 volts/500 milliamps. Full charging time: 2 hours using USB-C port.