1、[BT4.1 and compatibility] BT4.1, fast transmission speed, low power consumption, stable data transmission, strong compatibility, suitable for almost all BT-enabled devices. 2、[Long battery life] 24 hours of continuous listening to songs and calls, 60 days of long standby time. Built-in 230mAh battery, optimized through multiple circuits, effectively saving battery energy 3、[Free your hands] This single ear headset can free your hands, no matter you drive or work, you can easily handle it. 4、[Voice prompt] With prompt tone, it can prompt the latest status of the headset, such as power on / off, low battery, etc. Support some mobile phone battery display. 5、[Clear call] Double noise reduction HD call. 10mm moving coil unit, separate acoustic cavity, sound quality fidelity. Voice calls are clear. Calling to listen to music kills two birds with one stone. Overview: The Wireless headsets use BT4.1, the ear-hook design makes it very comfortable to wear and does not fall. It allows your hands be unrestricted. Features: [BT4.1 and compatibility] BT4.1, fast transmission speed, low power consumption, stable data transmission, strong compatibility, suitable for almost all BT-enabled devices. [Long battery life] 24 hours of continuous listening to songs and calls, 60 days of long standby time. Built-in 230mAh battery, optimized through multiple circuits, effectively saving battery energy [Hands unrestricted] This single ear headset allows your hands be unrestricted, no matter you drive or work, you can easily handle it. [Voice prompt] With prompt tone, it can prompt the latest status of the headset, such as power on / off, low battery, etc. Support some mobile phone battery display. [Clear call] Double noise reduction HD call. 10mm moving coil unit, separate acoustic cavity, sound quality fidelity. Voice calls are clear. Calling to listen to music kills two birds with one stone. Specifications: Product Type: Wireless BT Headset BT Version: 4.1 With Microphone: Yes Support Profiles: A2DP/AVRCP/HFP/HSP Operation Distance: Up to 10m (no-barrier distance) Frequency Response: 20 - 20000 Hz Impedance: 16Ω Battery capacity: 230mAh Talk Time / Music Play Time: about 24 hours Color: Black /White (optional) Headphone weight: 12g / 0.42oz Package size: 18.5 * 6.3 * 3.1cm / 7.28 * 2.48 * 1.22in Package weight: 45g / 1.59oz Package List: 1 * Headphone 1 * Data line 1 * earplug 1 * Ear hook 1 * User Manual (English & Chinese) 1 * Headphone 1 * Data line 1 * earplug 1 * Ear hook 1 * User Manual (English & Chinese) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store