• 【Advanced Connectivity】Featuring Bluetooth-compatible 5.4 technology with directional audio transmission, BY09 wireless earbuds provide a more stable and faster wireless connection.
• 【Superior Sound Quality】Equipped with 13mm high-quality drivers and HIFI sound, combined with spatial audio technology, these earbuds deliver an immersive listening experience.
• 【Smart Touch Control】The full-color LCD smart touch screen supports various convenient functions such as find-my-earbuds, wallpaper selection, and voice assistant.
• 【Gaming Mode】With an ultra-low latency of 0.06s in gaming mode, enjoy smoother gameplay without audio lag.
• 【Ergonomic Comfort】Designed with ergonomics in mind and featuring 3D liquid silicone eartips, these earbuds ensure comfort during extended wear.

Specifications:

• Model: BY-09
• Bluetooth-compatible Version: Bluetooth-compatible V5.4
• Bluetooth-compatible Frequency: 2.402GHz-2.480GHz
• Supported Protocols: HFP, A2DP, HSP, AVRCP
• Audio Codecs: AAC, SBC
• Transmission Range: >10 meters (in open space)
• Earbuds Battery: 40mAh, 3.7V (Lithium-ion polymer)
• Charging Case Battery: 320mAh, 3.7V (Lithium-ion polymer)
• Music Playback Time: Approx. 4-5 hours (single earbud)
• Talk Time: Approx. 4 hours
• Charging Case Recharges: 2-3 times (both earbuds)
• Earbuds Charging Time: Approx. 1.5 hours
• Charging Case Charging Time: Approx. 1.5 hours
• Standby Time: Approx. 120 hours
• Earbuds Weight: 7.8g
• Charging Case Weight: 45.7g