Brand: HOCO Bluetooth version: v5.3 Chipset: AC6973 Supported protocols: Headset, Hands-free, A2DP, AVRCP Transmission distance: 10 meters Transmission frequency: 2.4Hz Speaker unit: 13mm Impedance: 32Ω ± 15% Frequency response: 20–20,000Hz Sensitivity: 98dB ± 3dB Battery capacity: 350mAh (charging case), 40mAh (each headset) Charging case input: DC 5V, Type-C port Charging time: About 1.5 hours for charging case, about 1 hour for headset Talk/music time: 7 hours at 80% volume Standby time: 160 hours Warranty: 6 months brand warranty
