Havit TW980 - TWS wireless headphones, black

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