Waterproof bluetooth earphone with magnet design and CSR8640 CHIP

1)Operating frequency range: 2.40GHz-2.48GHz
2)Bluetooth V4.1 CSR 8640
3)Fashion flat line design
4)Range of wireless connection: 10-15 meters
5)Embeded with a 120mA Polymer Battery
6)Talk time:6-8 hours;
7)Stand-by time: 240hours
8)Ultrasonic technology
9)Adopt 2 Knowles silicion microphone to reduce the noise
10) 170 High TG PCB boards, design of hidden hole
11) 24 bit high precision detective IC
12)ESD Static design
13) LED lights indication
14) using 32Ω speaker ( 2*16)
15)Support SIRI voice function
16)with the design of independant EPC antenn
17)HI-FI sound quality
18) Waterproof IPX7
19) with NFC
More focus on balance sound