Promate Harmoni-Pro White High-Definition Intellitouch True Wireless Earphones

– Bluetooth Version: 5.3
– Bluetooth Profiles: HSP/HFP/A2DP/AVRCP
– Buetooth Frequency: 2.4 to 2.48GHz
– Bluetooth Chipset: JL6976D4
– Earbuds Input: 5V/35mA
– Charging Case Input: 5V/230mA
– Impedance: 32Ω
– Frequency: 20-20kHz
– Charging Time: 1.5h
– Playing Time: 5h
– Standby Time: 40h
– Sensitivity: 105dB±3dB
– Sensitivity of the mic: -42±1dB
– Battery Capacity Earbuds: 35mAh
– Battery Type Earbuds: Li-Polymer
– Battery Capacity Charging Case: 350mAh
– Battery Type Charging Case: Li-Polymer
– Operating Distance: 10m
– Input Port Type: Lighting
– Charging Cable length: 25cm
– Total play time:30