V9 Wireless Bluetooth-compatible Earphone Hands Free Headset with Mic for Driving Business Earpiece Bluetooth-compatible Sport

Bluetooth compatible V9 earphones, hands-free wireless earphones with microphone, can eliminate driving noise, truck driver specifications: chip: RDA compatible Bluetooth version: 4.1 working range: 10-15 meters accessible wireless frequency: 2402-2480GHz transmission power: Level 2 noise reduction: CVC6.0 standby time: 180 hours charging time: 1-2 hours playback time: 7-8 hours call time: 8-9 hours usage type: 270 ° rotation color: black compatible system: Bluetooth compatible with all devices and phones, they support incoming phone numbers, voice control response product size: 57 * 21 * 15mm/2.24 * 0.83 * 0.59 "product weight: 18G packaging size: 75 * 65 * 20mm/2.95 * 2.56 * 0.79" Gross weight: 27G Note: Due to manual measurement, different measurement methods and tools, there may be slight deviations in size. Due to differences in photos, angles, and screen monitor lighting, the image may not reflect the true color of the item.