Specification:
1.Resistance: 32Ω±15% 2.Frequency Response Range: 20-20000Hz 3.Codecs: SBC 4.Active Noise-Cancellation: NO 5.Bluetooth Version: Bluetooth V5.3 6.Bluetooth Prole: HFP/A2DP/AVRCP 7.Bluetooth Chipset: JL6973D8 8.Maximun Working Range: 33feet/10m(no abstacle) 9.Play Time: About 6 hours (SBC & volume LOWER THAN 60%) 10.Earbuds Charging Time: About 1.5 hour 11.Charging Case Charging Time: About 2 hours 12.Charging Case Recharge Earbuds: About 4 times 13.Earbud Power Capacity: 3.7V/76mAh (38mAh*2) 14.Charging Case Power Capacity: 3.7V/400mah 15.Earbud Dimension(L*W*H): 21*24*33mm 16.Charging Case Dimension(L*W*H): 57*30*50.2mm Package included: 1.2x Clear Bluetooth Earbuds 2.1x Type-C Charging Cable 3.1x Charging case 4.6x Interchangeable Ear Tips 5.1x User Manual