Product model: T19
Headphone size: 18.34x30.65*40.05
Bluetooth version: V5.0
Bluetooth protocol: HFP/A2DP/HSP/AVRCP/APTX
Communication distance: 10m (barrier-free open environment)
Headphone charging time: about 2 hours
Continuous use time: about 30h (with charging box)
Battery type: polymer lithium battery
Pairing name: Haylou-T19 R/L
*Charging instructions: Please use 5V 2.1A or less charging device to charge the charging compartment,

Do not use fast charging, flash charging and other devices.