Havit TW931 - TWS wireless headphones, white

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