Lenovo TH30 Wireless Headphones Bluetooth 5.3 250mAh

Specification Bluetooth version:V5.3 Battery capacity:250mAh Charging time:about 2 hours Bluetooth range:10m Speaker impedance:32Ω±15% Frequency range:20HZ-20KHZ Speaker size:40mm Playback time:about 9 hours Rated Input:5V=500mA Audio Interface:AUX Sensitivity:110dB±3dB Microphone sensitivity:-42dB±3dB Shipping: 17 days     What's in the box 1 x Bluetooth headphone 1 x 3.5mm Audio Cable 1 x Type-C Charging Cable 1 x User Manual • Bluetooth V5.3 + 40mm Unit :Enjoy high-quality audio with the latest Bluetooth V5.3 technology and a 40mm unit for clear sound reproduction.   • Folding Storage + HD Call :Conveniently store your earphones with their foldable design and make HD calls with ease.   • Active Noise-Cancellation :Block out unwanted noise and immerse yourself in your music with the active noise-cancellation feature.   • With Microphone :Take calls on-the-go with the built-in microphone, making it easy to stay connected.   • Bluetooth V5.3 + 40mm Unit:Enjoy hi