The M11 Bluetooth-compatible Earphones use Bluetooth V5.0 for wireless connection with a range of up to 10 meters, allowing you to pair automatically with most compatible devices plus have volume adjustment, binaural calls and memory matching features. The LED display function offers direct insight into power and charging situations so you're always prepared on the go. And its 3500mAh charging box not only lets your charge your earphones but your mobile phone too! The M11 Bluetooth-compatible Earphones bring professional grade performance sound quality while providing a lasting design – ideal for everyday use or serious athletes.

Parameter:
Support Smart Phone: Bluetooth-compatible 4.0 above Smart Phone
Bluetooth-compatible Version: 5.0
Support Agreement: Support HFP 1.7, HSP 1.2, A2DP 1, AVRCP1.6, SPP 1.2 and PBAP 1.0
Bluetooth-compatible Distance: About 10m/32.81ft.
Waterproof: IPX7 Waterproof, cannot wear on showering or swimming
Talk Time: About 3-4H (full power single use)
Listening to the Song Time: About 3-H (full power single use)
Battery Type: 3.7V, 50mAH Lithium Ion Polymer Battery
Charging Time: About 1H
Charging Battery Capacity: 3300mAh
Weight: 150 g Headphones 4 g
Model: Bluetooth-compatible Headset

Package List:
2*M11 Bluetooth-compatible Headset
1*Charging Cable
3*Ear Cap (set)
1*Charge Box
1*Carton