PROMATE Lush Acoustic In-Ear TWS Earphone

Bluetooth Version: v5.1 Bluetooth Profiles:HSP / HFP / A2DP /AVRCP/AAC Chipset: JL-AC6973D4 Earbuds input: 5V/40mA Charging Case Input: 5V/100~180mA Impedance: 32 Ω ±15% Frequency Range: 2.4GHz－2.48GHz Charging Time: 2 Hours Playing Time: 5 Hours Earphone Battery Capacity: 40mAh Charging Case Battery Capacity: 230mAh Battery Type: Li-polymer Operating distance: 10m