Bluetooth 5.0 for stable connecting and power saving Good stereo sound bring you wonderful music experience Built-in microphone for hands-free phone calls Support TF card music playing (TF card not included) CVC 6.0 noise reduction brings you 6D quality sound Earhook design, great for sports Support FM radio, another way of entertainment Specification: Bluetooth version: Jerry 5.0 Transmission distance: 10 meters Speaker: internal magnetic speaker Sensitivity: ≥80dB Frequency response: 20-18000Hz Impedance: 32Ω Battery capacity: 450mAh Playing time: about 10 hours Charging time: about 2 hours Compatible with:iPhone Samsung Huawei Xiaomi etc. Bluetooth enabled deviceCompatible 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 Bluetooth Earhook Headset 1 x English and Chinese User Manual Specifications Brand N/A Built-in Microphone Yes Color Black Connection Bluetooth Earphone Type Earhook Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Vocalism Principle Other Volume Control Yes Gross Weight 0.164kg Volume Weight 0.166kg Package Length 16.000cm Package Width 11.000cm Package Height 4.200cm