Bluetooth-compatible V5.0 connection, fast transmission and lower energy consumption The CVC6.0 noise cancelling technology can filter out background noise, allow you enjoy high quality sound performance with super bass even you are in a noisy environment Ergonomic neckband design, you can wear the headphone on your neck comfortably and perfectly Built-in microphone function to allow for hassle-free conference calls Electricity display function Specifications: Bluetooth-compatible Version: V5.0+EDR Transmission Range: 10M Speaker: Φ13mm Impedance: 16Ω Sensitivity: 96dB±2dB Audio Format: MP3 SNR: ≥80dB Battery Capacity: 160mAh Charging Time: 2 hours Music Time: 8 hours Talking Time: 8 hours Standby Time: 210 hours Voice Prompt: English and Chinese Support Protocols: A2DP/AVRCP/HFP/HSP/SPP/CVC/APTX Compatible with:iPhone Samsung HTC LG Sony Smartphone with Bluetooth-compatible functionCompatible with iPhone 12 Pro Max iPhone 12 Pro iPhone 12 iPhone 12 mini Xiaomi Mi 10 Pro Xiaomi Mi 10 Huawei P40 Huawei P40 Pro Galaxy Note20 Ultra Galaxy Note20 Package included 1 x K98 Bluetooth-compatible 5.0 Wireless Neckband Headphones CVC 6.0 Noise Cancelling 1 x English and Chinese Manual Other items not included Specifications Brand N/A Built-in Microphone Yes Color Blue Connection Bluetooth Earphone Feature Bluetooth,Noise-Canceling,Sports & Exercise,Waterproof,With Microphone Earphone Type Neckband General Use For Cellphone,For Media Player Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Vocalism Principle Dynamic Volume Control Yes Gross Weight 0.077kg Volume Weight 0.164kg Package Length 15.500cm Package Width 11.800cm Package Height 4.000cm