Hoco Interstellar True Wireless Bluetooth Headset EW33 Space Gray

Model: EW33 Interstellar,
Bluetooth Version: 5.3,
Chipset: JL AC6973D4,
Supported Protocols: Headset, Hands-free, A2DP, AVRCP,
Transmission Distance: Up to 10 meters,
Transmission Frequency: 2.4GHz,
Speaker Unit Size: 6mm,
Impedance: 32Ω ± 15%,
Frequency Response: 20Hz – 20kHz,
Sensitivity: 90dB ± 3dB,
Battery Capacity: Charging Case 300mAh, Headset 25mAh,
Charging Case Input: DC5V, Type-C,
Charging Time: Case 1.5 hours, Headset 1 hour,
Talk/Music Time: Up to 3.5 hours (at 80% volume),
Standby Time: Up to 150 hours,
Features: LED colorful lighting effects, zinc alloy charging case with one-hand opening,
Additional Features: Leader-follower switching, voice assistant activation, song control, automatic power on/off,
Battery Display: Supports for Apple phones and some Android devices,
Sizes: 62.1mm x 54mm x 23.6mm,
Total Weight: 117.6g, Single Earbud Weight: 3.6g,