HOCO ES63 TWS Air Bone Conduction Wireless Bluetooth Earphones BT6.3 Sports Wireless Headphones Not Bone Conduction HD Stereo Earbuds For All Smartphones Universal

hoco. 1. Bluetooth specification Bluetooth V5.3 JELLI AC7006F4, support protocol: Headset Hands-free A2DP Avrcp. 2. Transmission range: 10 meters, transmission frequency: 2.4GHz. 3. Horn: 14.2mm. 4. Impedance: 32 ±15%. 5. Frequency response: 20~20000Hz. 6. Sensitivity: 98db±3db. 7. Charging voltage DC5V, charging time is about 1.5 hours. 8. Battery capacity: 90mAH, product size: 121×104×35mm. 9. Call time 8 hours, music play time 8 hours 80 volume), standby time: 120 hours, product net weight: 13G. 10. Battery display. 11. Air-conducting Bluetooth headset. 12. Support Chinese and English prompt sounds: Double-click the multi-function key when unpaired. 1. Adopt the new generation of Bluetooth 5.3 solution, which has lower power consumption, faster transmission rate, stronger signal, no delay in music and calls, and strong anti-interference ability. 2. The ear-in-the-ear design does not need to be stuffed into the ears, making it more comfortable to wear. Pay attention to the outside so