• Sensitive Chemical: None Material: Metal, Plastic Width [mm]: 30.7 Depth [mm]: 16.7 Height [mm]: 17.1 Battery Capacity [mAh]: 250 Maximum battery life [hours]: 18 Built-in voice assistant: No Maximum wireless range [m]: 10m-20m NFC Technology: No Sound Isolation: YES Category: Headphones & Headsets Maximum Output: 10mW Number of Drivers: 2 Charging Method: Charging case Magnet Type: Other Driver Diameter: 13mm Total Harmonic Distortion: 1% Impedance Range: up to 32 Ω Bluetooth Version: other Package List: User Manual, Charging Case, Charging Cable Features: With Microphone With Microphone: Yes Wireless: Yes Support APP: Yes Line Length: 0m Frequency Response Range: 20 - 20000Hz Sensitivity: 96dB Plug Type: None Function: For Cell Phone, For Powersports, Sports, For Outdoor, For Work Voice Control: Yes Control Button: Yes Vocalism Principle: Dynamic Wireless Type: bluetooth Connectors: Type c Communication: True wireless Style: In-ear Certification: CE Origin: Mainland China Brand Name: Lenovo Support Memory Card: No Resistance: 32Ω Brand Name: Lenovo Model Name: LP2 Pro Name: LP2 Pro Lenovo TWS Bluetooth V5.4 Earphones Bluetooth Version: V5.4 Color: Black, White, Pink, Purple, Blue Earphone Single Battery Life: About 4 Hours Earphone Battery Capacity: 25mAh Original Surround Sound 18H Long Battery Life High-Resolution Immersive Sound Comfortable Semi-in-ear Design Immersive Acoustic Structure Accurately Purifies Calls Bluetooth 5.4 Stable Connection Audio and Video Synchronization 18H Long-lasting Battery Life Super Compatibility Smart Dual Processing Chip Five Cool Colors Feature: Model: Lenovo LP2 Pro Bluetooth Version: V5.4 Speaker Unit: 13 MM Charging Box Battery Capacity: 250mAh Earphone Usage Time: About 4 Hours Earphones Charging Time: About 1.5 Hours Charging Box Charging Time: About 2 Hours Transmission Distance: About 10 meters / 33 feet What's in the box: 2 x Bluetooth Earphones 1 x Charging Case 1 x Type-C Cable 1 x User Manual