Description Transmission range: 15 meters Features: Waterproof, ultra long battery life, call function, voice control, support for music, low latency for esports Bluetooth protocol: 5.4 Usage: In ear style Whether single or dual ear: bilateral stereo Battery life: 4-8 hours (hours) Waterproof performance: waterproof for daily use Total battery life: 40 hours Material: PC+ABS
