• Products Model: M15
• Bluetooth version: 5.1
• Working distance: 10m
• Charging input voltage and current: 5V
• Headphone battery capacity: 50mAh
• Charging compartment battery capacity: 2000mAh
• Headphone charging time 2 hours
• Music playback time: 3-4 hours
• Talk time: 4-5 hours
• The latest Bluetooth V5.1 technology
• Protocol: HFP 1.7 / HSP1.2 / A2DP 1 / AVRCP 1.6/ SPP1.2 / PBAP1.0
• Noise reduction version: CVC8.0
• Frequency range: 2402MHz ~ 2480MHz
• Using CVC8.0 digital noise reduction technology
• High capacity batteries are used for a long time
• IPX7 waterproof and sweatproof
• Binaural separation design
• Designed for sports
• Make your life different.

Packing list:

1 Pair x Wireless Earbuds (Left and Right)
1x Charging Case
1x Charging Cable
4x Ear cap
1x User Manual

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.