Bluetooth Watch Audio function display:

1, Bluetooth phone link, and receive calls hands-free, mobile music player.
2, voice broadcast.
3, insert TF card to play music. Morning run, walking, cycling, hiking, traveling, driving and other best partner! ! !

Technical parameters:
* Bluetooth specification: Bluetooth V3.0 + EDR
* Modulation: GFSK, 1Mbps, 0.5BT Gaussian
* Supply Voltage: Battery voltage VDD: 3.3 supply
* Working current: ≤ 150mA
* Standby current: ≤ 15mA
* Temperature range:-40oC to +80 oC
* Transmission Power: CLASS2 4dBm
* Sensitivity:-80dBm @ 0.1% BER
* Distortion: ≤ 0.01%
* Frequency range: 2.4GHz-2.480GHz
* External Interface: PIO, SPI, Speaker, Microphone
* Audio Performance: High acoustic fidelity sound
* Audio signal to noise ratio: ≥ 75dB
* Wireless transmission range: 10 meters
* Support Bluetooth co-righteousness: OPP, OBEX, SPP, A2DP, AVRCP, FTP, HS / HF, DUN Profiles

Features and Function:
1) TALKING COLOK
2) TF / MICRO SD CARD READER
3) BLUE TOOTH 3.0 WITH HANDSFREE
4) Silicone Watchband 3HOURS PLAYING AND HANDSFREE TIME; STANDBY TIME ABOUT 30 HOURS