Havit TW982 - TWS wireless headphones, white

USB Power Delivery (USB PD): Yes | Driver diameter: 13 mm | Left earpiece weight: 3.9 g | Right earpiece weight: 3.9 g | Battery capacity (charging case): 400 mAh | Wearing style: In-ear | Continuous audio playback time: 7,5 h | Right earpiece battery capacity: 40 mAh | Battery operated: Yes | Left earpiece battery capacity: 40 mAh | Bluetooth range: 10 m | Charging case dimensions (W x D x H): 58 x 49,6 x 26,5 mm | Headphone sensitivity: 117 dB | Case weight: 35,8 g | Package contents: Headphones | Warnings: Keep away from children. | Package contents: Charging case | Warnings: Regularly check the condition of the batteries to prevent leaks. | Headphone frequency: 20 - 20000 Hz | Warnings: Do not use near sources of heat or flame. | Oven control type: Touch | Continuous audio playback time (with charging case): 33 h | Impedance: 32 Ω | Headset type: Binaural | Recommended usage: Calls/Music | Number of microphones: 1 | Battery recharge time: 1,5 h | Talk time: 4 h | Bluetooth version: 5.4 | Built-in microphone: Yes | Product type: Headset | Connectivity technology: Wireless | Bluetooth: Yes | Product colour: White | Ear coupling: On-ear