• 【Built-in 32GB Storage】Store over 1000 songs with the large built-in memory, and use the included OTG adapter for direct music transfer from devices.
• 【Open-Ear Design】Enjoy ambient awareness for safer outdoor activities and sports with the cloud-like, non-intrusive wearing experience.
• 【IP67 Waterproof】Engineered with IP67 dust and water resistance, these earphones withstand sweat and rain during intense workouts.
• 【Lightweight Comfort】The 26g lightweight body with memory titanium alloy material ensures comfort even during extended wear.
• 【Enhanced Audio Quality】Proprietary bass enhancement technology combined with a conch-shaped directional sound system delivers powerful, rich audio.
• 【Dual Device Connectivity】Connect to two devices simultaneously with built-in wind noise reduction for clear calls in windy environments.

Specifications:

• Pairing name: Langsdom AirWave Pro
• Chip solution: Bluetrum BT8932B
• Bluetooth-compatible protocol: HFP, A2DP, HID, AVRCP, AVCTP, AVDTP
• Bluetooth-compatible version: BT V5.4
• Frequency: 2.402-2.480Ghz
• Working distance: about 10 meters
• Voice prompt: neutral prompt tone
• Bluetooth-compatible antenna mode: ceramic
• Number of channels: stereo
• Mic type: silicon microphone
• Directivity: omnidirectional
• Speaker size: Φ14.2mm
• Power interface: magnetic interface
• Battery type/capacity: 601225 170mAh/3.7V (battery with protection board)
• Battery cycle life: 0.5C charge/discharge >300 times
• Play time:
• Bluetooth-compatible mode: about 17H 30min (50% volume)
• TF card mode: about 6H 30min (50% volume)
• Charging voltage/current : 5V/1A
• Charging time: about 1H
• Total weight: 26g
• Storage environment: 10℃ to 30℃
• Usage environment: -20℃ to 60℃
• Waterproof grade: IP67