Vinlley Bluetooth Earbuds-- ENJOY YOUR LIFE Features? - Our high capacity, energy efficient battery can endure up to 120hrs of playtime - Advanced Bluetooth 5.0 technology gives you a reliable stable connection - Crystal-clear sound quality -...

?Headset size: 0.78 * 0.63*0.55 inches ?Specifications Product model: Airtwins A6 Version: V5.0 Earphone battery: 50mah Standby time: 2100 hours Talking time: 3.5 hours Profile: HSP/HFP/A2DP/AVRCP Charger case battery: 3.7V/300mAh (charge full...