HOCO EW78 True Wireless Earbuds

Features:

• Bluetooth specification: Bluetooth V5.4 Jerry AC683, support protocol: Headset Hands-free A2DP Avrcp
• Transmission range: 10 meters, transmission frequency: 2402-2480MHZ
• Maximum RF output power (EDR): 4DB Modulation type (EDR): GFSK, π/4-DQPSK
• Speaker: 13MM, impedance: 32Ω±15%
• Frequency response: 20~20000Hz
• Sensitivity: 98db±3db
• Charging voltage: DC5V, charging time: about 1 hour
• Charging box battery capacity: 300mah, left and right ear battery capacity 30mAh eac
• Talk time: about 4 hours, music time: about 4 hours (80% volume), standby time 150 hours
• Net weight: 40g (including charging compartment), bare device weight: 3.3g (single ear), size: 49*46*20.2mm
• Supports master-slave switching, up and down song switching, calling Sir, binaural calls, and pressure-sensitive operation functions.