•Bluetooth chip: Zhongke Lanxun BLUETRUM chip
•Chip model: AB5616A
•Compatible systems: IOS and Android
•BT: BT5.3
•Speaker model: 25*9 speakers speakers
•Microphone model: ML-3857-2718-T1P1 omnidirectional silicon microphone all direction mic
•Battery type: polymer battery Li battery
•Capacity: independent unit 100mAh on either arms (2 arms 200mAh in total)
•Charging method: magnetic charger
•Charging time: about 90 minutes 90minutes
•Battery life: "Standby is more than 20 days, continuous music playback is more than 6H (80% volume)
•stanby 20days, more than 6 hours play time at 80% volume,"
•Lens material: A triple-coated anti-blue light lens, high hardness and anti-scratch
•B-coated polarized sunglasses, high hardness and anti-scratch
•Waterproof level: IPx4 daily waterproof and dustproof
•Glasses size (mm): L*W*H=158*150*45mm