Blazer TWS Bluetooth earbuds has special twist switch design, mini size, one step easy pair, auto on/off feature with charging box, earbuds battery level display on the phone. Built with Bluetooth 5.0 with TWS noise-reduction technology provides stable wireless connections to your phones with true stereos sound quality. The high sensitive microphones can achieve the truly stereo calls. The earbuds can play and talk for about 4 hours, recharge the earbuds 2-3 more times in charging box without been recharge! Logo can be imprint on earbud and charging box, great corporate gift for your VIP customer.