Color: Black, white Signal to noise ratio: ≥ 92dB Standby Time: 10-15 days Battery: 50mAh for headset, 500mAh for charging box Distance: 10M (barrier-free space) For Bluetooth Version: V5.0+EDR Chip: For JL6916 Call time: 4-7 hours Music time: 3-4 hour
