Version a

• Bluetooth version: V4.0 + EDR

• Bluetooth profiles: Hands free / Headset

• Radio frequency: 2.4GHz

• Transmission Power: Class2

    Support functions: to replace the battery (equipment with two batteries) to cable， "YES" or "NO" Voice answer and reject a call， switch the next song， play / pause， last number redial， dual-device connectivity， a Tropsch two can simultaneously connect two phones; easily convert

• Transmission range 10 m

• Charger Power AC input 110-240V DC output 5V

• 10 hours talk time

• Battery capacity 170mHA 500 hours standby time

• Dimensions 33 * 26 * 8mm

• Packing size: 152 * 91.5 * 37mm

• weight of about 0.82g，

• Complete Weight With Packaging: 0.12kg