Powerology Quad ENC True- Wireless Buds -Charge Time of Earphone: 0.5H -Support Profile: SBC/MP3/AAC -Quad Mic ENC +Fast chargingh -Battery of earphone: 40mah -Charge Time Of Box: 1.5H -Battery of Box: 500mah -Frequency：20Hz-20KHZ -Speaker: Ø10mm 32 Ω -Bluetooth: V5.3 -Distance: 10M -Play Time: 6H DESCRIPTION REVIEWS (0) Powerology Quard Mic ENC TWS Earphone Incredible Sound Loved by 10 Million+ People Thump Sound: Thoroughly enjoy pure sound and powerful bass thanks to 10mm oversized drivers and BassUp technology. Incredible Sound Loved by 10 Million+ People Feel Every Beat: noise cancelling earbuds come with 10mm oversized drivers so you can hear your favorite music with deep, pounding bass. Hybrid Active Noise Cancelling: Turn on hybrid active noise cancelling to reduce external noise up to 35db and continuously enjoy your music without interruptions. For a natural listening experience with your bluetooth earphones, simply switch to Transparency mode. AI-Enhanced Calls with 4 Mics: Converse clearly with Life A3i noise cancelling wireless earbuds whenever you make phone calls thanks to 4 dedicated built-in microphones and a custom AI algorithm. Up to 36 Hours of Listening: Get 9 hours of listening on a single charge and up to a total of 36 hours when you use the compact case to recharge. Charge noise cancelling earbuds for 10 minutes and enjoy 2 hours of use via fast charging.