New T710BT Head-mounted Wireless Bluetooth Headset Subwoofer HIFI Call Noise Reduction Portable

Model-MODEL
Engraving-TUNE710
Material: Engraving process
Speaker: Steel magnetic 40mm
Single inch: 21x19.5x5.5mm
Bluetooth chip: Jerry v5.3
Single weight: 260g
Distance to use: 10 meters
Package volume: 70x54x32cm
Listening time: 5H
Package weight: 100pcs=28kg
Output voltage: 5V
Packed weight: 60 pieces=16.5kg
Charging time: 1H
Packed volume: 57x42x59cm
span >Supported functions: up and down songs, increase and decrease volume, call, radio, audio port, Typec, TF
Earphone power池：200mah