Main Functions:

APP Expansion/Local Dialling/Local Music Playback/External Memory Card/Multi-language / Photo Control /Short Video Control / ENC Call Noise Reduction / SMS Alert /Find Phone Find Headset/Wallpaper Switching/Stop watch/Alarm Clock

Connection Tutorial :
1. Download "Caldecott" APP to your mobile phone and install it
you can search for "Caldecott" in the APP mall (Android App Store).
Search "Caldecott" in the APP Store (Android App Store). You can also scan the following QR code to jump to the connection to download (browser, WeChat, etc. can scan the code).
2. Connecting the charging compartment
(1) The charging warehouse will automatically turn on the Bluetooth by default, and make sure the
Bluetooth of your mobile phone is on. Open the mobile phone APP "Caldecott, in the "device" interface "add device".
(2) Search the device model, click to connect. After connecting sucessfully, the device model (connected) will be displayed under "Devices" in APR
3. Bluetooth connection between headset and mobile phone.
1) Open the charging compartment, the Bluetooth of the headset will be turned on automatically.
2) Next, open your mobile phone, settings options, open the Bluetooth, mobile phone Bluetooth will automatically search for nearby Bluetooth devices, and then find the name of the Bluetooth headset
in the available devices below and click on the pairing, complete the connection between the headset and mobile phone.
4. Connection and pairing notes.
1) Make sure the Bluetooth of your mobile phone is on.
2) Make sure the device is fully charged, please switch it on or charge it before use.
3) Make sure the device is within 50cm from the mobile phone when pairing and connecting.
4) If you can't find the device in the APP, please check whether "Caldecott" is allowed to use Bluetooth in the mobile phone's permission settings.
5) Make sure the headset is removed from the headset compartment when pairing.
6) If the headset or mobile phone has been paired with other Bluetooth devices during the period, you need to reconnect.

operating instructions

Headset operating instructions:
.Power on:Press and hold for 3 seconds
.Shut down:Press and hold for 5 second
.Pause/Play:Double-click on a function key
.Previous song:Three-strike function key (L)
.Next song:Three-strike function key (R)
.Answer/hang up: Click on a function key
.Reject incoming calls:Long press the function button for 1.5 seconds.
.Volume increase:Press and hold the L button for 1.5 seconds
.volume reduction:Press and hold the R button for 1.5 seconds
.voice assistant: Four-tap function key (L) to activate Siri
.Game mode:Four-tap function key (R) to switch game mode/music mode
.Restore Factory Settings: Five clicks on the function key (to clear the pairing record),without connecting to the mobile phone

Product Parameters

Wireless version	V5.4
horn (automobile etc)	1.3mm
Screen	1.83 TFT
(level of) sensitivity	103±3dB
Bluetooth reception distance	≥10M(ccessibility)
Frequency Range	20HZ-20KHZ
Impedance	32Ω=15%
Transmission range	2400.0- 2483.5MHz
Supported Protocols	HSP/HFP/ADP/SBC/ACC/AVRCP
Transmission frequency	2.4 GHZ - 2.4835 GHZ SMBand
Headset charging time	1h (earphones),reduce 2h (battery compartment)
Playing time	5-6 h (60%loudness)
Airtime	5-6 h (60%loudness)
Endurance	In the bluetooth headset and mobile phone to open the connection state call length,about 5-6 hours (binaural calls)
Product working temperature	-10-50︒C (Rated input of earphone: DC 5v-35 mAh )
Product Storage Temperature	-20-55︒C (Rated input of charging chamber: DC 5v = 600mAh)

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