TOPINCN Swimming Headphone Wireless Headphone

Spec: Item Type: Swimming Headphone Material: Alloy, silicone Purpose: Swimming pool, surfing, diving, teaching Suitable for: Children, adults Power: USB 5V Battery: Lithium ion battery DH 601230, 180mAh (shipped with built in battery) Waterproof Level: IP68 Playback Time: 6 hours Full Charging Time: 2 hours Standby Time: 7 days Reception Distance: 50 meters Speaker Type: Bone conduction Speaker Sensitivity: 100 ± 3db Note: Can be connected to most of the teaching transmitter, but customers need to tune their own frequency, to find the corresponding channel to connect (most of the transmitter channels are many, the headset channel is also more than one, need to be debugged many times) How to Use: Headphone fixation steps: 1. Before wearing, first place the buckle on the forearms on both sides of the headphones (the bottom of the buckle is marked to distinguish left and right); 2. Then wear the swimming cap and goggles; 3. Finally, put on the headphones and press the goggles strap into the groove above the buckle to secure the headphones in place Operation: 1. Press and hold the power button (largest button) ① to turn on or off the headphones. After turning on, it will enter the training mode by default (requires use with the transmitter); 2. After turning on, each short press of the multifunction button ② will switch to another receiving channel, total 7 channels repeatedly. packing list: 1 x Swimming Headphone 2 x Buckle 1 Cable 1 x Instruction Manual 1 x Storage Box Notice: 1. The earphones are IP68 waterproof, all parts of the body are waterproofed, but do not forcefully tear, pick, or drop the earphones. Damage or waterproof failure caused by this will not be covered by the warranty. 2. After exercising, do not immediately recharge. Shake off any water at the charging port and let it dry before charging, as a short