LENOVO XT81 Touch Control BT5.1 True Wireless Headphones with Mic Sweatproof Sports Headset In-ear Music Earphones Mini Earbuds - Black

BT 5.1 technology brings high-speed data transfer speed, stable performance, and low power consumption. With true wireless stereo technology, you can use the headset solely or use them in pairs. Equipped with a 450mAh charging box to store and charge the earbuds. The built-in Microphone delivers a clearer and more realistic sound. It will bring you a perfect user experience.

• BT 5.1 technology ensures higher data transfer speed, more stable and fast connection, and lower power consumption
• True wireless dual-ear design, left and right earphone channels are separated. It can be used solely or in pairs
• Auto power on and fast pairing between left and right earbuds took out of the charging case
• 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, hands-free, and convenient to use
• A 450mAh charging case can charge and store the earbuds. 40mAh battery in each earbud ensures about 3-4 hours of music time

Specifications:

• Brand Name: Lenovo
• Model Number: XT81
• BT Version: 5.1
• Transmitting Distance: up to 10m (no obstacle)
• Drive Unit: 10mm moving coil
• Frequency Range: 20-20KHz
• Sensitivity: 90dB
• Impedance: 32Ω
• SNR: ≥95dB
• THD: ≤10%
• Charging Case Battery Capacity: 3.7V 450mAh
• Earbuds Battery Capacity (Each): 3.7V 40mAh
• Music Play Time: about 3-4 hours (depends on music volume)
• Earbuds Charging Time: about 1.5 hours
• Charging Box Charging Time: about 2.5 hours
• Item Size: Approx. 3.3*2.0*1.5cm/1.29*0.78*0.59in
• Earbud Weight (Each): 3.6g/0.12oz