Single Ear Stereo In-Ear Headphones, Long Standby Time, Sports Upgrade, Bluetooth Headset for Business V5.2 Wraparound Mounting Ear(Off-White)

Features：
Wraparound mounting ear design: ergonomics, long-wearing, painless skin-friendly material + ergonomically designed ear bones for comfortable and long-lasting wear.
IPX5 level, so you no longer worry about rain and sweat, fearless, more free
Stable transmission: Bluetooth V5.2, signal stability, a new generation of low-power Bluetooth V5.2 chip signals are more stable and faster.
The 180° rotating earpiece is free to wear a 180° rotating earpiece, which can be freely converted to the left and right ears and the angle of adjustment is no longer restricted.
The hard-core Bluetooth V5.2 chip rejects the Karton delay built-in high-resolution decoder, allowing the signal to be more powerful and farther away, high-speed transmission, and playing games to watch movies with 0 delays.

Specification：
Bluetooth version: V5.2+EDR ultra-low power consumption
Wireless frequency: 2.4GHZ
Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
Transmission distance: 10 meters
Charging voltage/current: 5V/1A
Charging time: about 2 hours
Standby time: 720 hours
Talk time: about 48 hours
Listening time: about 26 hours
Speaker impedance: φ8MM 32&;
Microphone sensitivity: -42Db
Working temperature: -10-50℃

Package：
1*M-520 Bluetooth headset
1*charging cable