Manufacturer Description: Dynamic Driver: 6mm neodymium dynamic driver Frequency: 20~20000HZ Bluetooth Version: 5.0 Bluetooth Protocol: A2DP/AVRCP/HFP/HSP Maximum Transmission Distance: 10m Playback Time: 15 hours Charging Time: 90 minutes Battery Type: 80 mAh lithium battery Fast Charging: 15 mins charge/90 mins playtime Ergonomic Design: In-ear design and come with detachable fin-shaped hook, which doesn’t fall off during movement and easy to wear. IPX4 Sweatproof Sport Earbuds: this earphone can resist sweat and light rain, perfect for running, gym, hiking, bicycling and other indoor and outdoor exercises
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