Battery Display bluetooth-compatible Headphone Handsfree Ear Hook Headset Tws Earbuds Wireless Earphone Caller Id Stereo Description: Features: 100% brand new high quality 1.High Fidelity Sound: Intelligent noise reduction,Ensures maximum signal quality, and guarantees excellent sound quality. 2. Fast pairing in seconds, bluetooth-compatible 5.1, automatic seconds, with headphones can be used 3.Ultralight and comfortable design, ergonomically-shaped in-ear buds and ear loops brings comfortable and no heavy feeling even after long time wearing, and fit this headset in right or left ear. 4.Strong compatibility: regardless of brand mobile phone and model, devices that support bluetooth-compatible can use this headset 5.The earphone can receive calls by pressing the key and communicate via a secure HD channel. 6.A short distance wireless communication device letting you listen to music and easily receive calls while driving, traveling, or in working at the office. 7. Operation function upgrade: multi-function button, short press/long press to switch the previous and next song and adjust the volume, long press the main button for two seconds to wake up the voice assistant 8.Low power consumption is the core technology of headphonesAdopting exquisite energy gathering cabin design, built-in large-capacity lithium battery, escort your earphones 9.Allows you to conveniently answer calls while drivingsporting Specifications: bluetooth-compatible version: V5.1 Battery capacity: Golden Universe battery capacity 300MAH with protection version Listening time: about 28 hours Talk time: about 48 hours Charging time: about 1.5 hours bluetooth-compatible distance: 10 meters Speaker size: 10mm bluetooth-compatible use frequency band: 24GHz Function: switch between Chinese and English, caller ID, one for two function, call siri voice assistant, los battery display, music playback, etc. Package Included: 1*earphone 1*charging cable 1*manual 1*hook 1*ear cap Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems.