KEMI X19 Bone Conduction Earphones TWS X19 IPX8 Waterproof Wireless Earphones Sports Swimming Headphone BT 5.0 Gaming Earbuds

* Chip model: Lanxun BT8895B * Bluetooth version: 5.3 * Battery: 180mAh * Speaker: 18 * Play time: 6 * Call time: 5 * Standby time: 96H * Charging time: 2 * Function: Bluetooth version IPX56 * Color: black green, black gray, gray white, black orange, etc. * * Product size: 129*102*45mm * Net weight: 32g * Wireless working range: greater than 10 meters * Speaker sensitivity: 88??3dB * Supported protocols: HFP A2DP AVRCP * Speaker impedance: 8 ohms * Speaker frequency: 20Hz-20KHz * Input current/voltage: 5v * Material: ABS+PC, surface sprayed with touch paint * Charging interface: magnetic charging *