Keenso F900 Wireless Headset

[Ergonomic Design]Designed for all-day wear with a lightweight structure that ensures comfort for prolonged use. [ ]Enjoy crystal-clear sound with HD vocals and balanced across all frequencies. [Long Battery Life]Equipped with a 170mAh battery, experience up to 18 hours of talk time and 20 hours of music playback. [Flexible Usage]180-degree rotating earpiece makes it easy to switch between left and right ear wear based on your preference. [Versatile Compatibility]Supports and select devices, providing real-time power display for seamless connectivity. Features: Ergonomical design for painless wear, easy to wear for a whole day not feeling load. Advanced chip with built-in high-resolution decoder, high transmission efficiency and long barrier-free transmission distance. 170 mAh battery to supply power, low power consumption, long standby time, suitable for multiple purposes. Unique HIFI original sound quality HD vocals, low, medium, high triple frequency equilibrium. 180° rotating earpiece, allows left ear or right ear to wear freely. Support for system and a small number of for systems, support real-time display of power. Specification: Condition: Brand New Model: F900 Material: ABS Main Color: Black Bluetooth Version: 5.0 Battery Capacity: 170mA Response Frequency:50-10KHZ Standby Time: About 200 hours Charging Time: About 2.5 hours Talk Time: About 18 hours Music Time: About 20 hours Working Distance: 10m (one for two mode) Size: Approx.44mm*18mm*77mm/1.7*0.7*3.0in Package Weight: Approx.78g/2.8oz Package List: 1 * Bluetooth Headset 1 * USB Cable 1 * User Manual 2 * Ear Cap 1 * Cloth Bag