Basic product parameters:

Model: Waterproof music Bluetooth headset

Program: CSR 8635

Bluetooth version: V4.0

Frequency response: HZ 30HZ-20K

Noise reduction microphone head sensitivity: -38DB

Transmission range: 10 meters to 6 meters in the reverse direction

Transmission frequency: 2.4GHZ

For your smarter design:

Applicable models: all kinds of mainstream mobile phone with Bluetooth function models

Play time: 6-8 hours of continuous listening to music

Call time: continuous 6-8 hours

Charging voltage: 5V

Charge current: 500 mA

Charging time: 2 hours (idle once a month)

Waterproof level: international protection class IPX8

Adjustable holder and in-ear waterproof earplugs with different sizes for different people and can greatly insulate the sounds around you, so you can hear your call clearly.

Wide range of uses:

Compliant with international IPX8 waterproof standard,Perfect for sports like swimming, surfing, climbing, biking, etc

(Bluetooth signals are not normally transmitted underwater, without signals; not connected; they are normal, not quality problems)