Havit TW980 - TWS wireless headphones, black

Driver diameter: 12 mm | Warnings: Do not use near sources of heat or flame. | Warnings: Regularly check the condition of the batteries to prevent leaks. | Warnings: Keep away from children. | Case charging time: 2 h | Continuous audio playback time (with charging case): 23 h | Bluetooth version: 5.3 | Battery operated: Yes | Charging case dimensions (W x D x H): 54.5 x 30.8 x 58.5 mm | Headphone sensitivity: 113 dB | Left earpiece weight: 5.5 g | Connectivity technology: Wireless | Headphone frequency: 20 - 20000 Hz | Package contents: Headphones | Headset type: Binaural | Case weight: 44.5 g | Impedance: 32 Ω | Package contents: Charging case | Oven control type: Touch | Recommended usage: Calls/Music | Bluetooth range: 10 m | Built-in microphone: Yes | USB Power Delivery (USB PD): Yes | Product type: Headset | Battery capacity (charging case): 400 mAh | Ear coupling: Air conduction | Product colour: Black | Bluetooth: Yes | Left earpiece battery capacity: 40 mAh | Wearing style: Ear-clip-on | Right earpiece weight: 5.5 g | Continuous audio playback time: 6,5 h | Right earpiece battery capacity: 40 mAh | Number of microphones: 2