Havit TW982 - TWS wireless headphones, white

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