Experience aesthetic design and acoustic audio quality with Lush TWS earphone. The composite speakers deliver crisp audio with balanced bass. Lightweight and compact, Lush is perfect for use indoors or on the move. Tech Specs 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