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! ! !

Watch Sound Package: 

1， Size:. 275 * 45 * 26MM， single product weight: 90 g product / weight， 160 g after packaging (accessories are high-grade crystal boxes， plastic， box， cardboard， copper charging cable， manual in English )
2，60 units Packing a box， carton weight 9.6KG， Carton size: 39.5 * 38.5 * 33CM

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