Havit TW982 TWS Wireless Headphones (Black)

Weight and dimensions Charging case dimensions (WxDxH): 58 x 49.6 x 26.5 mm Case weight: 35.8 g Right earphone weight: 3.9 g Left earphone weight: 3.9 g Efficiency Product color: Black Control type: Touch Product type: Headset Headset type: Stereo Wearing style: In-ear Application: Calls/Music Package contents Package contents Charging case Headphones x 1 Ports and interfaces USB Power: Yes Bluetooth: Yes Connection method: Wireless Bluetooth range: 10 m Bluetooth version: 5.4 Battery Battery powered: Yes Right earphone battery capacity: 40 mAh Music playback time: 7.5 hours Talk time: 4 hours Charging time: 1.5 hours Continuous audio playback time (with charging case): 33 hours Battery capacity (charging case): 400 mAh Left earphone battery capacity: 40 mAh Microphone Built-in microphone: Yes Number of built-in microphones: 1 Safety warning Warnings Check the condition of the batteries regularly to prevent leakage. Do not use near sources of heat or fire. Keep away from children. Headphones Headphone construction: On-ear Impedance: 32 Ω Headphone sensitivity: 117 dB Frequency response: 20 - 20000 Hz Transducer diameter: 13 mm