BT315 Sport Bluetooth Headset Wireless Stereo Earphone Bluetooth 4.1 Earpiece With Mic Sport Bass Magnetic Necklace Earpiece(Blue) Type-GoPro Combo Kits YN600EX-RT II can be used

YN600EX-RT II can be used as the master to trigger Yongnuo and for Canon EX series flashes (except YN585EX)

and press the product down to let the suction cup and the floor suck together

Frequency: 150-18000Hz

Input parameters: 5V 2A

40HQ: 1086 cartons * 100 pcs = 108600 pcs

BT315 Sport Bluetooth Headset Wireless Stereo Earphone Bluetooth 4.1 Earpiece With Mic Sport Bass Magnetic Necklace Earpiece(Blue) Type-GoPro Combo Kits YN600EX-RT II can be usedProduct introduction: 1. Name: Bluetooth sports music fashion earphone 2. No: BT315 3. Style: in ear earphone with micphone 4. Location: Like Sports and Listen to the music when in motion 5. Waterproof and sweat (Water splashing) Technical specification: 1. Bluetooth ver: 4. 1 CSR 2. CVC 6. 0 noise reduction 3. talk time: 6h 4. music time: 5h 5. Standby time: 120 hours 6. charging time: 1. 5 hours 7. Sensitivity: 103db + 3dB 8. Impedance: 16Mw 9. Mic: