XO E9 Smart Sunglasses UV Protective XO-E9

Features:
■Product Material:PC frame + PC lens
■Bluetooth Program: AB5656C2
■Bluetooth version: V5.3+EDR
■Frequency range:2402-2480MHZ
■Maximum transmit power:+9dbm
■Transmission power: Class2
■Bluetooth support protocol: HFP/A2DP/AVRCP
■Transmission distance: 10-15 meters
■Music playback time: 6H (80% volume)
■Talking time: 5H
■Waterproof rating: IPX4
■Charging voltage: USB DC5V
■Charging time: 1.5H
■Standby time: 100 hours