Plan: JL6973 Bluetooth version: V5.3 Charging time: 1.5H Music time: 4.5 hours (70% volume) Earphone battery: 30mAh Charging compartment battery: 300mAh (with protective board) Speaker specification: Φ 13mm/Speaker impedance 16 ῼ Standby time: 180 days Transmission distance: ≥ 10 meters Material: ABS+PC 1. Non in ear open design, cloud like wearing is lighter, more comfortable, and more stable 2. Balanced tri frequency sound quality
