Hoco EW78 Airpod 4th Gen Design TWS Headset White

Hoco EW78 Airpod 4th Gen Design TWS Headset White

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.