Lenovo TWS wireless bluetooth earbuds HT28 blac

Description: Lenovo Headphones HT28 Technical specifications: Battery capacity: 400 mAh Battery: 400 mAh Battery life: 4 h Maximum standby time: up to 100 h Charging time: 1 h Transducer diameter: 8mm Design: Dockside Protection class: IPX4 Connectivity: Bluetooth 5.0 wireless Frequency response: 20 - 20000 Hz Operating time: 4 h Additional information: Noise reduction Support for Siri, Google Assistant, Little Love Classmate Included accessories: Charging case, manual Package contents: Charging case Headphones Instruction manual Range: up to 10 m | Application: Mobile | Application: Music | Design: In-ear | Technology: Hands-free | Wireless communication: Bluetooth | Sound: Stereo | Audio controls: Answer/Mute calls | Audio controls: Volume control | Pass band (min): 20 | Pass band (max): 20 | Microphone: built-in | Range: 10 | Color: Black