Specifications: Charging Case with speaker Bluetooth version: 5.3 ANC Active Noise Cancellation (ANC) Earbuds battery: 30mAh Charging case battery: 250mAh Up to 6 hours of listening time Frequency range: 2.4-2.48GHz Distance: 32.8ft Dual audio sharing, Master-Slave Switch Playing time: About6 hrs Dust, sweat, and water resistant Charging time (Earphone): 40-90 m Charging time (Case): 1-2 hrs Driver size: 10mm Both wired & wireless Charging 5.3 Bluetooth 5.3 (advanced) Sensitivity: 109+3dB at 1KHz Impedance: 16 Ohms In-Ear detection (can be turned off
