Bluetooth protocol: 5.0

Channel: stereo
How to use: Earplug type
Single or dual ear: bilateral stereo

Color: red, black (without lanyard),gray (without lanyard),red (without lanyard)

Bluetooth version: V5.0

Bluetooth solution: Airo (with lanyard)
Jerry 6932A (without lanyard)
Listening time: 4.5-5H
Charging time: 1-2H
Standby time: 150 hours
Headphone battery: 60MAH*2
Charging box battery: 500MAH
Working range: ≦10 meters
Frequency range: 2.4G—2.48GHz
Support protocol: HES/HSP/AVRCP/A2DP
Waterproof rating: IPX5
sound
Acoustic diaphragm: aluminum-plated liquid crystal polymer diaphragm
Sound unit: 6mm custom Hi-Fi mini full range unit
Acoustic structure: closed
Magnet type: neodymium iron boron.
Frequency response range: 50Hz-24kHz
Resistance: 320hms
Sensitivity: 101dB SPL/1mW
Maximum output performance: 30mW (IEC)
connection:
Bluetooth 5.0, within 10m effective distance, support Headset(HSP1.2)
Handsfree (HFP1.6),A2DP1.3 and AVRCP1.6 connection standards
Charging compartment: micro USB interface
Audio: AAC, mSBC, SBC and CVSD audio codec
General: Hi-Fi sound quality
Adaptive noise reduction
True wireless stereo
Waterproof and dustproof
Microphone: digital silicon microphone
CVC sixth-generation call noise reduction technology
Omnidirectional microphone
Battery life:
Single headset with charging compartment: 32 hours of music playback, or 20 hours of talk

Single fully charged headset: can play music for 4 hours, or talk for 3 hours