Lenovo E310 Headset True Wireless Stereo (TWS) In-ear Calls/Music Bluetooth White

Certification: CE,CB,FCC,CEC+DOE,Nrcan,IC VOC+ID,UN38.3+MSDS,JRL,VCCI,ENACOM,TRA,ANATEL,SUBTEL,SRRC,NTRA,ETA-SD,BIS,SDPPI,TRC,KC EMC/RF,CITRA,MCMC,TRA,PTA,NTC,CRA,BSMI | Battery capacity (charging case): 90 mAh | USB Type-C charging port: Yes | Weight: 33.6 g | Impedance: 32 Ω | Recommended usage: Calls/Music | Headphone frequency: 50 - 20000 Hz | Battery life: 300 min | Maximum input power: 3 mW | Windows operating systems supported: Windows 11 | Warranty card: Yes | Bluetooth version: 5.3 | Right earpiece battery capacity: 10 mAh | Wearing style: In-ear | Package weight: 91.2 g | Product type: Headset | Headset type: Binaural | Headphone sensitivity: 114 dB | Left earpiece battery capacity: 10 mAh | Driver unit: 1.3 cm | Product colour: White | Ear coupling: Intraaural | AC adapter included: No | Package depth: 105 mm | Package height: 36 mm | Bluetooth: Yes | Package width: 82 mm | Connectivity technology: True Wireless Stereo (TWS) | Microphone type: Built-in | Number of microphones: 2 | Total Harmonic Distortion (THD): 5% | Wireless range: 10 m | Control type: Touch | Cables included: USB Type-C | Operating temperature (T-T): -20 - 60 °C | Charging time: 120 min