Sivga SO1 Open-ear True Wireless Sports Earphone (Open Box) Color:Black Mid frequencies are handled by

Mid frequencies are handled by DFK driver customized by FiiO and Knowles

respond infinitely quickly to any signal

Output power 1: L+R>620mW+620mW (320 SE/THD+N<1%)

Your new desert island headphone

Sivga SO1 Open-ear True Wireless Sports Earphone (Open Box) Color:Black Mid frequencies are handled bySO1 Open ear True Wireless Sports Earphone Comfortable and safe with not in ear design. No falling off for sports with earhook Directional audio transmission for high clarity sound and privacy protection. Bluetooth 5. 3: faster and more stable connection Clear communication with smart noise cancelling Long battery life: continuous listening for over 9 hours. Support wireless charging for convenience No worry for sweat with IPX5 waterproof design Not