Introducing our circular charging box equipped with a high-capacity battery for these waterproof wireless earbuds. Experience the smart touch feature for effortless operation and easy manual switching between single and double use. The stylish design ensures a hands-free experience, and the charging case provides ample space for your logo. Specifications include a transmission distance of 10-12m, Bluetooth V5.0, approximately 2.5 hours of single battery life, 1.5 hours charging time, a 300mAh lithium battery, and an IPX 4 waterproof level. Rush & Unprinting services available. The price includes 800 units shipped via ocean freight.