Promate Harmoni-Pro Intellitouch TWS Earphones

Bluetooth Version: 5.3 Bluetooth Profiles: HSF/HFP/A2DP/AVRCP Bluetooth Frequency: 2.4-2.48GHz Earbuds Input: 3.7V/40mA Impedance: 32Ω Charging Time: 1.5hrs Playing Time: 5hrs Playback Time: 25 hrs Standby Time: up to 60hrs Reduction Noise Frequency: -25db Battery Capacity Earbuds: 40mAh * 2 Battery Capacity Charging Case: 400mAh Operating Distance: 10M Input Port type: USB-C Charging Cable length: 30cm