Features: 1. Bluetooth 4.2 + EDR chip for stable wireless connectivity. 2. Voice prompt support for call and connection status. 3. Auto power-on and auto power-off functionality for convenience. 4. Siri voice control compatibility with Apple devices. 5. 550 mAh rechargeable battery with up to 500 hours of standby time. 6. Up to 10 hours of continuous talk time. 7. Built-in digital amplifier for enhanced volume and sound clarity. Handsfree Car Speaker Kit for Cell Phones — Supports multi-point connection (two devices simultaneously). Features built-in DSP noise suppression and echo cancellation (CVC 8.0 dual noise reduction technology). Specifications: - Car charger cable length: 50 cm - Bluetooth operating range: up to 10 meters - Speaker output: 42W, high-definition stereo sound - Dimensions: 100 × 60 × 21 mm (3.94 × 2.36 × 0.83 in) - Color: Black - Charging time: approximately 2 hours - Battery capacity: 550 mAh - Talk time: up to 10 hours - Standby time: up to 500 hours - Bluetooth version: 4.2 + EDR - Operating range: up to 10 meters Package Includes: - 1 × Car charger - 1 × USB charging cable - 1 × Metal mounting clip - 1 × User manual - 1 × Bluetooth handsfree speaker kit Notes: 1. Screen and monitor settings may cause slight color variations between the product and images shown. The design matches the images exactly. 2. Slight dimensional variations may occur due to manual measurement.