E3 Wireless Bone Conduction Waterproof Bluetooth Headphones
Specification:
Size: about 140x110x50mm/5.51×4.33×1.97in (Reference)
Weight: about 33g
Color: black, white
Waterproof grade: IP66
Hardware parameters:
Main chip: Bluetooth master IC CSR8635 QFN68
Working frequency interruption: ISM band (2.402-2.480GHZ)
Transmitting power: Class2 (-6dbm-4dbm)
Maximum output power: 8mW
Rated output power: 5mW
Audio amplifier: power amplifier IC HT2144 QFN16
Antenna Bluetooth distance: about 8-10m
Bluetooth antenna: built in ceramic antenna, 5320 2.45G antenna
Button touch button: no
Physical button: 3 (ON / OFF, VOL + / -)
Link Bluetooth protocol: A2DPV1.2 AVRCPV1.4 HFPV1.6 HSPV1.2
Bluetooth version: BT V4.1
Electro acoustic: MIC, silicon microphone -42dB±3dB
Loudspeaker: bone conduction, 0.5W, 8 ohms, sensitivity: 86 + / – 3dB
Battery type: rechargeable polymer lithium battery 061230, capacity 200 mAh, cable diameter 0.6, cable length: about 15mm/0.59in
Working voltage: 3.7V
Charging voltage: DC-5V 500mA
Standby time: 20 days
Play time: 6 hours
Interface:
Magnetic charging: magnetic charging wire
Structural component parameters: Housing
Upper shell: injection PC + ABS, bright UV
Lower case: injection PC + ABS
Loudspeaker cover: silica gel
Headband: SR, TPU injection molding
Memory line: memory line (Nickel titanium wire)
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