Color: Black Detail: Lenovo XT82 TWS Bluetooth Earphones Stereo Wireless Headphones Touch Control Game Headset with mic LED Digital Display Specifications: Brand: Lenovo Model Number: XT82 BT Version: 5.1 Transmitting Distance: up to 12m (no obstacle) Drive: 13mm Frequency Range: 20-20KHz Microphone Sensitivity: -42dB±3dB Impedance: 16 Charging Case Battery Capacity: 3.7V 300mAh Earbuds Battery Capacity (Each): 3.7V 30mAh Music Play Time: about 4 hours (depends on music volume) Earplug Charging Time: about 1 hour Headphone Box Charging Time: about 1 hours Earbud Size: Approx. 2.8*2.5*1.7cm/1.10*0.98*0.67in Earbud Weight (Each): 4.4g/0.15oz Package Size: 14.0*9.0*4.0cm/5.51*3.54*1.57in Package Weight: 89g/3.14oz Features: BT 5.1 technology ensures high data transfer speed, stable and fast connection, and low power consumption. Just take the earplugs out of the charging box, and they will automatically pair with each other. Touch control design, no more pressure on your ears. Easy to control music and calls, and activate voice assistant. Built-in Mic on both earbuds delivers clearer talking sound in stereo mode, supporting hands-free calls. LED battery digital display can clearly show the battery allowance of the earbuds and charging box. Note: Actual product color may vary slightly from the image due to the color variations of each photograph and each mobile screen. Retail Price: 3700