Product Description |
1. 13mm dynamic speaker, balanced among high, middle and low frequencies, making the sound more pure and natural. 2. The earphones use the noise reduction system to generate reverse-phase sound waves that are equal to the external noise, neutralizing the noise, thereby achieving the noise reduction effect. 3. HiFi sound quality, improves high-frequency compliance, reduces distortion, rich in details, clear and natural vocals, and more penetrating sound quality. 4. Vortex in-ear design, 360-degree surround experience. 5. Parameters: - Chip solution: Jerry AD6973D - Bluetooth protocols: HSP, HFP, A2DP, AVRCP - Bluetooth version: 5.3 - Frequency: 2.402-2.480Ghz - Working distance: greater than 10m - Bluetooth antenna method: ceramic antenna - Frequency range: 20HZ-20KHZ - Sensitivity: 103dB 1KHz -Battery capacity: earphones 30mAh, charging case 230mAh - Playing time: about 3~4 hours - Charging box charging voltage/current: 5V 0.5A - Impedance: 32 ohms - Rated power: 3mW |