Havit TW931 - TWS wireless headphones, black

Left earpiece weight: 3 g Charging case dimensions (W x D x H): 46,7 x 51 x 23,8 mm Right earpiece weight: 3 g Case weight: 25,2 g Product type: Headset Headset type: Binaural Recommended usage: Calls/Music Oven control type: Touch Product colour: Black Wearing style: In-ear Package contents: Headphones Bluetooth: Yes USB Type-C ports quantity: 1 Bluetooth version: 5.4 USB Power Delivery (USB PD): Yes Connectivity technology: Wireless Bluetooth range: 10 m Left earpiece battery capacity: 30 mAh Battery operated: Yes Talk time: 4 h Battery recharge time: 1,5 h Right earpiece battery capacity: 30 mAh Battery capacity (charging case): 300 mAh Continuous audio playback time: 6 h Number of microphones: 2 Built-in microphone: Yes Warnings: Do not use near sources of heat or flame. Impedance: 26 Ω Headphone frequency: 20 - 20000 Hz Ear coupling: Intraaural Driver diameter: 10 mm