• [Upgraded Bluetooth 5.2 Technology] Equipped with the upgraded technology with up to 20 meters transmission range, the Bluetooth earbuds can provide faster pairing connection speed, more stable transmission, and lower latency than Bluetooth 5.0

• [Never Compromise with Sound Quality] KZ ZI PRO supports AAC transmission which ensures the best sound quality with little latency. With the new dynamic driver, the bass and vocal has been greatly improved so you can enjoy rich details

• [Ultra-low Latency Game Mode] The latency can go down to as low as 40ms when the game mode is activated. This function makes sound and picture more synchronized and smooth, so you can perform better and more competitive in the game

• [IPX6 Waterproof for Sport] With IPX6 waterproof level, KZ Z1 PRO earbuds can effectively resist sweat and rain, helping you enjoy running, dancing or weight lifting in any conditions

• [Comfortable and Stable Earbuds] Designed according to the auricle, KZ Z1 PRO wireless earbuds can reduce pressure and ensure wearing secure-fit, no more concerns of earbuds falling out and also effectively reduces external noise interference

Specification:

• Bluetooth Version: 5.2 

• Bluetooth range: up to 20m (affected by the environment) 

• Sensitivity: 115dB 

• Frequency response: 20-20kHz

• Earphone weight: 10g 

• Charging case weight: 50g 

• Charging case capacity: 400mAh 

• Playtime: 5 hours 

• Charge time for earphone(by charging case): 40 hours