ITEM NAME:Mini TWS Wireless Bluetooth In-Ear Earphone Stereo Earbuds Headsets Headphone Product Description Description: Feature: 1. Face Recognition will stop immediately after removal (right earphone as the main headset, with face recognition function). 2. Built-in touch sensor chip, intelligent perception of wearing status, remove headphones, music immediately automatically pause; wear headphones, the melody sounds again. Enjoy every frame of sound in your ears; increase the actual use time of your headphones. 3. Two newly designed 13mm horns and high-quality diaphragm movable coil horn units are combined with smooth circuit to carry high-quality media for full and wide scale (field) and more balanced high and low frequencies. The voice is pure and more pleasant. 4. Three high-precision protection chips to ensure long-term service quality; three pure lead high-performance A-level batteries, a low-loss boost chip to ensure energy efficiency; high-strength shell; multiple escorts, high efficiency and durability. 5. Compatible with IOS and Android. Connectible to mainstream devices such as mobile phones, iPads, PCs, etc. Specification: Bluetooth Version: 5.0 Frequency range: 2.4 GHz - 2.48 GHz Support protocols: A2DP, AVRCP, HSP, HFP Frequency response range: 20Hz - 20KHz Standby time: about 1000 hours Music / call time: about 5 - 6 hours Charging time: about 1 hour for headphones and 2 hours for charging boxes Input voltage/current: 5V/> 100mA Output power: 7mW + 7mW Packaging size: 86mm*71mm*46mm/3.38*2.79*1.81'' Packing weight: 90g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 2 X Bluetooth Earphones 1 X Charge Box 1 X Charge Cable 4 X Earmuffs(L) 4 X Earmuffs(M) 4 X Earmuffs(S) 1 X User Manual.Bluetooth Version: 5.0. Included: 2 X Bluetooth Earphones. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. Warranty Service.