Havit TW976 Comfortable to Wear Buds

Bluetooth Version: V5.3
Speaker Driver: φ13 mm (13 millimeters)
Music Playtime: Approximately 5 hours (at 70% volume in some sources)
Talk Time: Approximately 3.5 hours (at 70% volume in some sources)
Wireless Operating Range: 10 meters (without obstacles)
Earbuds Charging Time: Approximately 2 hours
Charging Case Charging Time: Approximately 2 hours
Earbuds Battery: 30 mAh per earbud
Charging Case Battery: 300 mAh
Charging Port: USB Type-C
Water Resistance: May be IPX4 (resistant to splashing water and sweat in some sources)
Weight: Approximately 3.4 grams per earbud, and approximately 25 grams for the charging case (in some sources)