1. Powerful Bluetooth 4.1: it supports automatic connection after being connected successfully the first time. Easily connect two devices at the same time.
2. High quality music: bone conduction horn with 86db sensitivity for clear and high quality sound.
3. Bluetooth call: built-in microphone, support for Bluetooth calls.
4. IP67 level waterproof, protect your earphone from water, sweat.
5. Small and lightweight, won't increase burden to your ears and very comfortable to wear.
7. Ultra compatibility, it supports almost all smart phones and laptops with bluetooth.
Color: Black, White
Working voltage: 3.7V
TF card: not supported (external QSD4Gb extended memory)
FM antenna: not supported
Wearing method : Memory wire head beam
Battery: 160mAh rechargeable polymer lithium battery
Charger: magnetic charging cable, sharing I9 charging cable
NFC: Not supported
Speaker: bone conduction horn, 0.5W, 8 ohms, sensitivity 86+/-3db
Photosensitive sensor: not supported
Bluetooth master IC: CSR8635 QFN68
BT version : BT4.1
Working frequency band: ISM band (2.402-2.480GHZ)
Transmit power: Class2 (-6dbm-4dbm)
Maximum output power: 8mW
Rated output power: 5mW
Audio Power Amplifier: Power Amplifier IC HT2144 QFN16 Worun (or TPA2012/TI)
Antenna: Built-in 2.45G ceramic antenna 5320 Working distance 10 meters
Light: Support (two-color)
Charging voltage: DC-5V 500mA
FM: Not supported
Recording function: Support (call recording)
Size: Approx. 14 * 11 * 5cm / 5.5 * 4.3 * 2.0in
Weight: Approx. 256g
1 * Bluetooth Headset
1 * USB Cable
1 * User Manual
1 * Storage Bag
2 * Foam Earplug