K75 Lavalier Business-Headset Bluetooth 5.4 Bass-Ohrhörer HD-Anruferinnerung mit Vibrationsfunktion und Sprachansage der Rufnummer (kabellos)

Only K75 has a caller ID telephone number display, K88/K55 only has a battery display，no telephone number Display Product Features: [New Upgrade]Using New Bluetooth 5.4 Chip Design, It Has Better Compatibility And Stability, Is Backward Compatible With More Bluetooth Versions; [LCD HD Digital Display]Equipped With a High-Definition White Light Cool-Color LCD Digital Display, The incoming call number, headphone battery level, and volume are all clearly visible; [HD Calling]Black technology acoustic structure, intelligent noise reduction, eliminate wind noise, voice call is clearer; [Call Vibration Reminder+Voice Number Reporting+Call Number Display]Make sure you don't miss every important call; [Smart one-to-two]Can connect two mobile phones at the same time; [One-Click Photoshoot]Shoot as you want, and always record the scenery and colors of your life; [Type-C Fast Charging]15 minutes to charge 90%, 20 minutes to charge 99%; [Ultra-Long Battery Life]Built-In 140mAh Rechargeable Lithium Polymer Battery, Full Of About 20 Mins, About 20 Hours Of Continuous Listening and Calling, Standby For About 180 Days; Product Specifications: Product Name: K75 Business Bluetooth Headset Color: Black/Gray/Silver/Khaki Bluetooth Version: V5.4 Version Agreement: A2DP、AVRCP、HSP、HFP Transmission Distance: 10M Frequency Range: 20Hz-20KHZ Headset Cable Length: 31cm (One-touch storage, easy to carry) Battery Capacity: 140mAh Charging Interface: Type-C Fast Charging Charging Time: 20 Minutes Playing Time: 20 Hours Standby Time: 180 Days Package List: 1x Business Bluetooth Headset 1x Charging Cable 1x User Manual 2x Spare ear caps 1x Retail Package Product Features: [New Upgrade]Using New Bluetooth 5.4 Chip Design, It Has Better Compatibility And Stability, Is Backward Compatible With More Bluetooth Versions; [LED HD Digital Display]Equipped With a High-Definition White Light Cool-Color Led Digital Display, The remaining power of the headset is clear at a glance; [HD Calling]Black technology acoustic structure, intelligent noise reduction, eliminate wind noise, voice call is clearer; [Call Vibration Reminder+Voice Number Reporting]Make sure you don't miss every important call; [Smart one-to-two]Can connect two mobile phones at the same time; [One-Click Photoshoot]Shoot as you want, and always record the scenery and colors of your life; [Type-C Fast Charging]15 minutes to charge 90%, 20 minutes to charge 99%; [Ultra-Long Battery Life]Built-In 140mAh Rechargeable Lithium Polymer Battery, Full Of About 20 Mins, About 20 Hours Of Continuous Listening and Calling, Standby For About 180 Days; Product Specifications: Product Name: K88 Business Bluetooth Headset Color: Black/Silver/White Bluetooth Version: V5.4 Version Agreement: A2DP、AVRCP、HSP、HFP Transmission Distance: 10M Transmission Frequency: 2.4GHz Frequency Range: 20Hz-20KHZ Headset Cable Length: 31cm (One-touch storage, easy to carry) Battery Capacity: 140mAh Charging Interface: Type-C Fast Charging Charging Time: 20 Minutes Playing Time: 20 Hours Standby Time: 180 Days Package List: 1x K88 Business Bluetooth Headset 1x Charging Cable 1x User Manual 2x Spare ear caps 1x Retail Package